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Idiosyncratic use of punctuation - which of these annoys you the most?

  • Declarations and assignments that end with }; (C, C++, Javascript, etc.)
  • (Parenthesis (pile-ups (at (the (end (of (Lisp (code))))))))
  • Syntactically-significant whitespace (Python, Ruby, Haskell...)
  • Perl sigils: @array, $array[index], %hash, $hash{key}
  • Unnecessary sigils, like $variable in PHP
  • macro!() in Rust
  • Do you have any idea how much I spent on this Space Cadet keyboard, you insensitive clod?!
  • Something even worse...

[ Results | Polls ]
Comments:50 | Votes:94

posted by hubie on Monday January 15 2024, @09:18PM   Printer-friendly

No word on why he didn't run Wireshark to see exactly what the data was, but a word of warning concerning smart devices.

An LG washing machine owner and self-confessed fintech geek has asked the Twitterverse why his smart home appliance ate an average of 3.66GB of data daily. Concerned about the washer's internet addiction, Johnie forced the device to go cold turkey and blocked it using his router UI. Had the LG washer been hacked, hijacked, or otherwise tampered with over the net – or is this the average data consumption for a modern smart appliance?

[...] For now, it looks like the favored answer to the data mystery is to blame Asus for misreporting it. We may never know what happened with Johnie, who is now running his LG washing machine offline. LG did not immediately reply to a request by Tom's Hardware for more information.

Another relatively innocent reason for the supposed high volume of uploads could be an error in the Asus router firmware. In a follow-up post a day after his initial Tweet, Johnie noted "inaccuracy in the ASUS router tool," with regard to Apple iMessage data use. Other LG smart washing machine users showed device data use from their router UIs. It turns out that these appliances more typically use less than 1MB per day.

Though Johnie's Tweets were relatively light-hearted, hacking smart connected devices can be severe. Consider what could happen if medical or industrial IoT devices get taken over by attackers, for example. A case in point is provided by a story from earlier this week when Bosch network-connected wrenches used in factories all around the world were found to be riddled with vulnerabilities.


Original Submission

posted by hubie on Monday January 15 2024, @04:35PM   Printer-friendly

The CAMM2 spec was recently finalized, and memory makers are testing the waters:

Of all the PC-related things to come out of CES this year, my favorite wasn't Nvidia's graphics cards or AMD's newest Ryzens or Intel's iterative processor refreshes or any one of the oddball PC concept designs or anything to do with the mad dash to cram generative AI into everything.

No, of all things, the thing that I liked the most was this Crucial-branded memory module spotted by Tom's Hardware. If it looks a little strange to you, it's because it uses the Compression Attached Memory Module (CAMM) standard—rather than being a standard stick of RAM that you insert into a slot on your motherboard, it lies flat against the board where metal contacts on the board and the CAMM module can make contact with one another.

CAMM memory has been on my radar for a while, since it first cropped up in a handful of Dell laptops. Mistakenly identified at the time as a proprietary type of RAM that would give Dell an excuse to charge more for it, Dell has been pushing for the standardization of CAMM modules for a couple of years now, and JEDEC (the organization that handles all current computer memory standards) formally finalized the spec last month.

[...] It used to be easy to save some money on a new PC by buying a version without much RAM and performing an upgrade yourself, using third-party RAM sticks that cost a fraction of what manufacturers would charge. But most laptops no longer afford you the luxury.

Most PC makers and laptop PC buyers made an unspoken bargain in the early- to mid-2010s, around when the MacBook Air and the Ultrabook stopped being special thin-and-light outliers and became the standard template for the mainstream laptop: We would jettison nearly any port or internal component in the interest of making a laptop that was thinner, sleeker, and lighter.

[...] The CAMM standard (technically finalized as CAMM2) tries to offer the best of all possible worlds.

Like SO-DIMMs, CAMM modules are replaceable, though the SO-DIMM slot's simple retention clips are exchanged for a series of screws. But like soldered chips, they support high-speed low-power LPDDR memory, they lie nearly flat against your laptop's mainboard, and you don't need to bother installing them in matched pairs to get dual-channel memory speeds, since a single CAMM module can support both single- and dual-channel speeds (with "future multi-channel setups" also possible, according to JEDEC).

The first hurdle for CAMM will be the same one any new standard faces: getting the buy-in necessary to displace already-prevalent standards. Crucial demoing a new LCAMM2 module is a solid step forward in that department, and Samsung's commitment to introducing CAMM memory sometime this year is another one. The standard already obviously has buy-in from Dell, which according to IDC data is the world's third-largest supplier of personal computers, and previous reporting from PCWorld suggests that it has wide industry support as an eventual replacement for SO-DIMM modules.

The real question might not be whether CAMM replaces SO-DIMM slots in the relatively small number of laptops that still feature upgradable memory, but whether it can take us back to a time when you could assume laptop memory would be upgradable instead of having to search for a laptop that supported it. As a PC manufacturer, why support CAMM in your laptops when you could continue soldering RAM down, locking buyers into paying whatever price you set for upgrades? The prevalence of fast, standardized M.2 SSDs hasn't kept Apple from sticking with its own proprietary storage in Macs, for example.

Previously:
    Modular LPDDR Memory Becomes A Reality: Samsung Introduces LPCAMM Memory Modules
    Dell's CAMM Memory Expected to Replace SO-DIMM in Laptops
    Dell Defends its Controversial New Laptop Memory (CAMM)


Original Submission

posted by hubie on Monday January 15 2024, @11:46AM   Printer-friendly
from the deprecating-dusty-old-DSA dept.

OpenSSH developer, Damien Miller, has announced plans to remove support for DSA keys from OpenSSH in the near future. His announcement describes the rationale, process, and proposed timeline.

The next release of OpenSSH (due around 2024/03) will make DSA optional at compile time, but still enable it by default. Users and downstream distributors of OpenSSH may use this option to explore the impact of DSA removal in their environments, or to hard-deprecate it early if they desire.

Around 2024/06, a release of OpenSSH will change this compile-time default to disable DSA. It may still be enabled by users/distributors if needed.

Finally, in the first OpenSSH release after 2025/01/01 the DSA code will be removed entirely.

In summary:

2024/01 - this announcement
2024/03 (estimated) - DSA compile-time optional, enabled by default
2024/06 (estimated) - DSA compile-time optional, *disabled* by default
2025/01 (estimated) - DSA is removed from OpenSSH

Very few will notice this change. However, for those few to whom this matters the effects are major.

Previously:
(2021) scp Will Be Replaced With sftp Soon
(2020) SHA-1 to be Disabled in OpenSSH and libssh
(2019) How SSH Key Shielding Works
(2016) Upgrade Your SSH Keys
(2014) OpenSSH No Longer has to Depend on OpenSSL


Original Submission

posted by mrpg on Monday January 15 2024, @07:00AM   Printer-friendly
from the NFS-Hummingbird-Drift dept.

https://phys.org/news/2024-01-hummingbirds-mental-gears-flight.html

Hummingbirds use two distinct sensory strategies to control their flight, depending on whether they're hovering or in forward motion, according to new research by University of British Columbia (UBC) zoologists.

"When in forward fight, hummingbirds rely on what we call an 'internal forward model'—almost an ingrained, intuitive autopilot—to gauge speed," says Dr. Vikram B. Baliga, lead author of a new study on hummingbird locomotion published in Proceedings of the Royal Society B. "There's just too much information coming in to rely directly on every visual cue from your surroundings."

"But when hovering or dealing with cues that might require a change in altitude, we found they rely much more on real-time, direct visual feedback from their environment."

The findings not only provide insights into how the tiny, agile birds perceive the world during transitions in flight, but could inform the programming of onboard navigation for next-generation autonomous flying and hovering vehicles.


Original Submission

posted by mrpg on Monday January 15 2024, @02:22AM   Printer-friendly
from the this-space-for-rent dept.

Bizarre Galaxy Discovered With Seemingly No Stars Whatsoever:

A newly discovered object is stretching our understanding of what constitutes a galaxy.

Called J0613+52, this massive blob of something some 270 million light-years away appears to have no stars whatsoever. At least, none that can be seen. It's just a haze made of the kind of gas that's found between stars in normal galaxies, drifting around by its lone self like an absolute badass.

Its mass and motion appear to be normal for what we'd expect of a spiral galaxy... in fact, if you extracted the stars from a spiral galaxy like the Milky Way or Andromeda, J0613+52 is pretty much what you'd end up with.

According to a team of astronomers led by astrophysicist Karen O'Neil of the Green Bank Observatory, it could be the first discovery of a primordial galaxy in the nearby Universe – a galaxy made up mostly of the gas that formed at the beginning of time.


Original Submission

posted by janrinok on Sunday January 14 2024, @09:52PM   Printer-friendly

Astrobotic's latest update is optimistic, all things considered:

All may not be lost for Astrobotic's Peregrine moon lander.

Soon after launching on the first-ever flight of United Launch Alliance's new Vulcan Centaur rocket on Monday (Jan. 8), the lander encountered an anomaly due to a stuck valve in its propulsion system, damaging the spacecraft and causing a significant propellant leak. The company announced on Tuesday (Jan. 9) that a soft lunar landing would be impossible in light of those issues.

Yet on Thursday (Jan. 11), Astrobotic issued its 12th mission update via X, indicating that, despite the crippling propulsion system anomaly, there's some good news. Peregrine was able to power up its payloads — the ones that require power, anyway — and establish connections to ground teams using NASA's Deep Space Network (DSN) of communication antennas.

"As Peregrine emerges from a planned communications blackout with NASA's DSN ground network, we're pleased to announce the team's efforts to gather payload data have been fruitful," Astrobotic wrote on X. "We have successfully received data from all 9 payloads designed to communicate with the lander. All 10 payloads requiring power have received it, while the remaining 10 payloads aboard the spacecraft are passive."

It's unclear if any of those payloads will be able to complete the missions for which they were designed, but Astrobotic's update is relatively optimistic. "These payloads have now been able to prove operational capability in space, and payload teams are analyzing the impact of this development now. We are proud of the mission team for achieving this incredible feat under such challenging circumstances."

Accompanying the update is a photograph taken by Peregrine in which the wheels of the tiny Iris lunar rover, built by Carnegie Mellon University, can be seen.

The update also includes a list of the payloads that have received power: The Iris rover; the COLMENA micro-robots built by the Laboratory of Special Instruments (LINX) at the National Autonomous University of Mexico (UNAM); the M-42 radiation detector built by the German Aerospace Center (DLR); five scientific instruments designed by NASA laboratories; Astrobotic's own Optical Precision Autonomous Landing sensor; and Pocari Sweat's Lunar Dream Time Capsule, a soft drink can containing handwritten messages from people around the world that were laser-etched onto titanium plates.

[...] The launch of Peregrine kicked off NASA's Commercial Lunar Payloads Services (CLPS) program, which aims to accelerate lunar science through contracting private landers to take payloads to the moon's surface. Since many of these private spacecraft and landers are new and untested, NASA leadership has accepted the risks involved in these missions.

"Each success and setback are opportunities to learn and grow," Joel Kearns, deputy associate administrator for exploration at NASA's Science Mission Directorate in Washington, said in an emailed statement. "We will use this lesson to propel our efforts to advance science, exploration and commercial development of the moon."

Previously: Astrobotic Will Send a Lander to the Lunar South Pole Using Falcon Heavy


Original Submission

posted by janrinok on Sunday January 14 2024, @05:06PM   Printer-friendly
from the and-they're-off,-with-a-good-start-by-whirligig dept.

https://phys.org/news/2024-01-fastest-insect-uncrewed-boat.html

Whirligig beetles, the world's fastest-swimming insect, achieve surprising speeds by employing a strategy shared by speedy marine mammals and waterfowl, according to a new Cornell University study that rewrites previous explanations of the physics involved.

The centimeter-long beetles can reach a peak acceleration of 100 meters per second and a top velocity of 100 body lengths per second (or one meter per second).

Not only do the results explain the whirligig's Olympian speeds, but they also offer valuable insights for bio-inspired designers of near-surface water robots and uncrewed boats.

Until now, researchers have believed that whirligigs attain their impressive speeds using a propulsion system called drag-based thrust. This type of thrust requires the insect's legs to move faster than the swimming speed, in order for the legs to generate any thrust. For the whirligig beetle to achieve such fast swimming speeds, its legs would need to push against the water at unrealistic speeds.

"It could have well been questioned," said Chris Roh, assistant biological and environmental engineering professor. "The fastest swimmer and drag-based thrust don't usually go together in the same sentence."

In fact, fast-swimming marine mammals and waterfowls tend to forgo drag-based thrust in favor of lift-based thrust, another propulsion system. The finding was described in a study published Jan. 8 in the journal Current Biology.
...
Using two high-speed cameras synchronized at different angles, the researchers could film a whirligig and observe a lift-based thrust mechanism at play. Lift-based thrust works like a propeller, where the thrusting motion is perpendicular to the water surface, eliminating drag and allowing for more efficient momentum capable of greater speed.

More information: Yukun Sun et al, Whirligig beetle uses lift-based thrust for fastest insect swimming, Current Biology (2024). DOI: 10.1016/j.cub.2023.11.008


Original Submission

posted by janrinok on Sunday January 14 2024, @12:14PM   Printer-friendly

The innovation that gets an Alzheimer's drug through the blood-brain barrier:

Last week, researchers at the West Virginia University Rockefeller Neuroscience Institute reported that by using focused ultrasound to open the blood-brain barrier, they

improved delivery of a new Alzheimer's treatment and sped up clearance of the sticky plaques that are thought to contribute to some of the cognitive and memory problems in people with Alzheimer's by 32%.

In the West Virginia study, three people with mild Alzheimer's received monthly doses of aducanumab, a lab-made antibody that is delivered via IV. This drug, first approved in 2021,  helps clear away beta-amyloid, a protein fragment that clumps up in the brains of people with Alzheimer's disease. (The drug's approval was controversial, and it's still not clear whether it actually slows progression of the disease.)  After the infusion, the researchers treated specific regions of the patients' brains with focused ultrasound, but just on one side. That allowed them to use the other half of the brain as a control. PET scans revealed a greater reduction in amyloid plaques in the ultrasound-treated regions than in those same regions on the untreated side of the brain, suggesting that more of the antibody was getting into the brain on the treated side.

Aducanumab does clear plaques without ultrasound, but it takes a long time, perhaps in part because the antibody has trouble entering the brain. "Instead of using the therapy intravenously for 18 to 24 months to see the plaque reduction, we want to see if we can achieve that reduction in a few months," says Ali Rezai, a neurosurgeon at West Virginia University Rockefeller Neuroscience Institute and an author of the new study. Cutting the amount of time needed to clear these plaques might help slow the memory loss and cognitive problems that define the disease.

The device used to target and deliver the ultrasound waves, developed by a company called Insightec, consists of an MRI machine and a helmet studded with ultrasound transducers. It's FDA approved, but for an entirely different purpose: to help stop tremors in people with Parkinson's by creating lesions in the brain. To open the blood-brain barrier, "we inject individuals intravenously with microbubbles," Rezai says. These tiny gas bubbles, commonly used as a contrast agent, travel through the bloodstream. Using the MRI, the researchers can aim the ultrasound waves at very specific parts of the brain "with millimeter precision," Rezai says. When the waves hit the microbubbles, the bubbles begin to expand and contract, physically pushing apart the tightly packed cells that line the brain's capillaries. "This temporary opening can last up to 48 hours, which means that during those 48 hours, you can have increased penetration into the brain of therapeutics," he says.

Journal Reference: DOI: 10.1056/NEJMoa2308719


Original Submission

posted by hubie on Sunday January 14 2024, @07:25AM   Printer-friendly
from the money-is-the-only-thing-hospitals-pay-attention-to dept.

Arthur T Knackerbracket has processed the following story:

US hospitals will be required to meet basic cybersecurity standards before receiving federal funding, according to rules the White House is expected to propose in the next few weeks.

This comes as hospitals and health clinics nationwide continue to be menaced by ransomware, and cybercrims resort to diabolical tactics to make victims pay up.

The Centers for Medicare and Medicaid Services (CMS), an arm of the US Department of Health and Human Services, is reportedly drawing up rules connecting hospital IT security with funding, which are set to take effect before the end of the year.

Citing an unnamed government official, this Messenger report says the proposed rules will focus on "those key cybersecurity practices that we really do believe bring a meaningful impact." And federal funding will hinge on hospitals enacting these basic network defenses.

[...] And while no one is going to argue against improving hospitals' security posture, cutting off their funding may not help the situation, according to some.

"Denying funding to hospitals doesn't seem like the best way to help them improve their security," Emsisoft Threat Analyst Brett Callow told The Register. "In fact, it may do the exact opposite."


Original Submission

posted by hubie on Sunday January 14 2024, @02:37AM   Printer-friendly
from the we've-been-blocking-them-since-1997 dept.

Why Google is Phasing Out Third-party Cookies - Marketplace

Google will roll out a set of new tools that still track your behavior online — so we'll still be getting those targeted ads:

From pretty much the very beginning, the web has been fueled by ads. And those ads have been finding their way to relevant users via cookies — those are little bits of code that websites can place on your computer so advertisers can basically follow you around online.

And from pretty much the very beginning, privacy advocates have complained that cookies are a privacy nightmare.

This week, Google started its project to phase out third-party cookies on its Chrome browser, the world's most popular browser. But the change isn't about all cookies.

"Websites still allow for first-party cookies, which is very useful for the website to be able to remember, for instance, that you've found a product that you want to purchase, and it will stay in your checkout," said Garrett Johnson, a professor at Boston University's Questrom School of Business.

[...] "The deprecation of the third-party cookie in 2024, is really poised to shake things up. Because, you know, we're essentially going to have to recalibrate how we effectively find voters and target to them online," said Kate Holliday, vice president of politics and public affairs at advertising firm Powers Interactive Digital.

With this phaseout, Google is introducing what it calls its "privacy sandbox": a set of new tools that still track your behavior online.

Google Chrome Rolls Out Support for 'Privacy Sandbox'

Google Chrome Rolls Out Support for 'Privacy Sandbox' to Bid Farewell to Tracking Cookies:

Google has officially begun its rollout of Privacy Sandbox in the Chrome web browser to a majority of its users, nearly four months after it announced the plans.

"We believe it is vital to both improve privacy and preserve access to information, whether it's news, a how-to-guide, or a fun video," Anthony Chavez, vice president of Privacy Sandbox initiatives at Google, said.

"Without viable privacy-preserving alternatives to third-party cookies, such as the Privacy Sandbox, we risk reducing access to information for all users, and incentivizing invasive tactics such as fingerprinting."

[...] Central to the project is a Topics API, which sorts users into different topics (that can change over time) based on the sites visited and the frequency with which those sites are visited, which websites can query to infer what topics a specific user is interested in and serve personalized ads without knowing who they are.

In other words, the web browser acts as an intermediary between the user and the website. Users can further control their experience by customizing the ad topics they're interested in, the relevance and measurement APIs they want enabled, or entirely opt out of these features.

However, Privacy Sandbox is not without its fair share of criticism, with Movement For An Open Web noting last week that "Google gathers reams of personal data on each and every one of its users, sourced through an opt-in process that it's hard for most web users to avoid."

The development comes as Google is enabling real-time protections against phishing attacks through improvements to Safe Browsing, without any prior knowledge of users' browsing history.

Google did not disclose the exact technical aspects involved, but it has leveraged Oblivious HTTP relays (OHTTP relays) as part of Privacy Sandbox to incorporate anonymity protections and mask IP address information.

"Previously, it worked by checking every site visit against a locally-stored list of known bad sites, which is updated every 30 to 60 minutes," Parisa Tabriz, vice president of Chrome, said.

"But phishing domains have gotten more sophisticated — and today, 60% of them exist for less than 10 minutes, making them difficult to block. By shortening the time between identification and prevention of threats, we expect to see 25% improved protection from malware and phishing threats."

Google's New Tracking Protection in Chrome Blocks Third-Party Cookies

Google's New Tracking Protection in Chrome Blocks Third-Party Cookies:

[...] The tech giant noted that participants for Tracking Protection will be selected at random and that chosen users will be notified upon opening Chrome on either a desktop or an Android device.

The goal is to restrict third-party cookies (also called "non-essential cookies") by default, preventing them from being used to track users as they move from one website to the other for serving personalized ads.

While several major browsers like Apple Safari and Mozilla Firefox have either already placed restrictions on third-party cookies via features like Intelligent Tracking Prevention (ITP) and Enhanced Tracking Protection in Firefox, Google is taking more of a middle-ground approach that involves devising alternatives where users can access free online content and services without compromising on their privacy.

[...] Privacy Sandbox, instead of providing a cross-site or cross-app user identifier, "aggregates, limits, or noises data" through APIs like Protected Audience (formerly FLEDGE), Topics, and Attribution Reporting to help prevent user re-identification.

In doing so, the goal is to block third-parties from tracking user browsing behavior across sites, while still allowing sites and apps to serve relevant ads and enabling advertisers to measure the performance of their online ads without using individual identifiers.

"With Tracking Protection, Privacy Sandbox and all of the features we launch in Chrome, we'll continue to work to create a web that's more private than ever, and universally accessible to everyone," Chavez said.

And if you need a refresher on third-party cookies, including how to enable them in your favorite browser:

Everything You Need to Know About Third-Party Cookies

Everything You Need to Know About Third-Party Cookies - Securiti:

When browsing the web, there's a high chance that you've come across a popup notification telling you that the website uses cookies. Many times, users go ahead and hit agree without fully knowing what they are signing up for. For all you know, you agree to first-party or third-party cookies.

Internet cookies aren't those artery-clogging goodness made by grandma. Instead, an internet cookie is a small piece of data from a particular website stored on a user's computer while they browse the web.

One of the common purposes of internet cookies is to track users as they browse through multiple websites and display them with personalized ads (based on their web searches, likes, and dislikes). Before further ado, let's get down to third-party cookies, how they collect user data, and their legal implications.

...


Original Submission

posted by janrinok on Saturday January 13 2024, @09:55PM   Printer-friendly

Which countries back South Africa's genocide case against Israel at ICJ?:

The International Court of Justice (ICJ) based in The Hague [heard] its first hearing in South Africa's genocide case against Israel on Thursday, with several countries welcoming the move amid a global chorus for a ceasefire in Gaza.

South Africa filed the lawsuit end of December, accusing Israel of genocide in its war on Gaza and seeking a halt to the brutal military assault that has killed more than 23,000 Palestinians, nearly 10,000 of them children.

The 84-page filing by South Africa says Israel violated the 1948 Genocide Convention, drawn up in the aftermath of World War II and the Holocaust.

Both Israel and South Africa are signatories to the United Nations Genocide Convention, which gives the ICJ – the highest UN legal body – jurisdiction to rule on disputes over the treaty.

All states that signed the convention are obliged to not commit genocide and also to prevent and punish it. The treaty defines genocide as "acts committed with intent to destroy, in whole or in part, a national, ethnical, racial or religious group".

[...] The ICC and the ICJ are sometimes conflated with one another. Both the courts are located in The Hague, Netherlands. While the purpose of the ICJ is to resolve conflicts between states, the ICC prosecutes individuals for committing crimes, according to the University of Melbourne's Pursuit platform. While states cannot be sued at the ICC, the prosecutor can open an investigation where crimes, including genocide, were likely committed.

The United States has voiced its opposition to the genocide case. National security spokesperson John Kirby called South Africa's submission "meritless, counterproductive, and completely without any basis" during a White House press briefing on January 3.

Israeli President Isaac Herzog told US Secretary of State Antony Blinken on Tuesday that "there is nothing more atrocious and preposterous" than the lawsuit. Herzog also thanked Blinken for Washington's support of Israel.

Israel's Western allies, including the European Union, have mostly maintained silence on the ICJ case.

The United Kingdom, which has refused to support the case, has been accused of double standards after it submitted detailed legal documents to the ICJ about a month ago to support claims that Myanmar committed genocide against the Rohingya community.


Original Submission

posted by janrinok on Saturday January 13 2024, @05:10PM   Printer-friendly

https://medicalxpress.com/news/2024-01-ancient-dna-reveals-high-multiple.html

Researchers have created the world's largest ancient human gene bank by analyzing the bones and teeth of almost 5,000 humans who lived across western Europe and Asia up to 34,000 years ago.

By sequencing ancient human DNA and comparing it to modern-day samples, the international team of experts mapped the historical spread of genes—and diseases—over time as populations migrated.

The 'astounding' results have been revealed in four trailblazing research papers published (10 January 2024) in the same issue of Nature and provide new biological understanding of debilitating disorders.

The extraordinary study involved a large international team led by Professor Eske Willerslev at the Universities of Cambridge and Copenhagen, Professor Thomas Werge at the University of Copenhagen, and Professor Rasmus Nielsen at University of California, Berkeley and involved contributions from 175 researchers from around the globe.

The scientists found:

  • The startling origins of neurodegenerative diseases including multiple sclerosis
  • Why northern Europeans today are taller than people from southern Europe
  • How major migration around 5,000 years ago introduced risk genes into the population in north-western Europe—leaving a legacy of higher rates of MS today
  • Carrying the MS gene was an advantage at the time as it protected ancient farmers from catching infectious diseases from their sheep and cattle
  • Genes known to increase the risk of diseases such as Alzheimer's and type 2 diabetes were traced back to hunter gatherers
  • Future analysis is hoped to reveal more about the genetic markers of autism, ADHD, schizophrenia, bipolar disorder, and depression

Northern Europe has the highest prevalence of MS in the world. A new study has found the genes that significantly increase a person's risk of developing MS were introduced into north-western Europe around 5,000 years ago by sheep and cattle herders migrating from the east.


Original Submission

posted by janrinok on Saturday January 13 2024, @12:24PM   Printer-friendly
from the rightie-tightie-lefty-loosie dept.

The two fasteners from the sampler head haven't budged for nearly 4 months, keeping the precious material inside:

The final hurdle to retrieving the full sample of asteroid Bennu collected by OSIRIS-REx – the first asteroid return sample in US history – has at last been overcome. NASA technicians have been able to successfully remove the two fasteners from the sampler head that have been preventing them from opening the canister fully since September. This canister opening has to be conducted under the most pristine conditions to not contaminate the sample, so this was quite the issue. Now, NASA can get to the pristine material from asteroid Bennu.

Since they could just take a circular saw and cut through it, once they realized two of the 35 fasteners couldn't be removed with the available and approved tools, researchers had to develop new tools that would do the job.

"Our engineers and scientists have worked tirelessly behind the scenes for months to not only process the more than 70 grams of material we were able to access previously, but also design, develop, and test new tools that allowed us to move past this hurdle," Eileen Stansbery, division chief for ARES (Astromaterials Research and Exploration Science) at NASA's Johnson Space Center, said in a statement.

"The innovation and dedication of this team has been remarkable. We are all excited to see the remaining treasure OSIRIS-REx holds."

The new tools were made of a specific grade of surgical, non-magnetic stainless steel; the hardest metal approved for use in the pristine curation gloveboxes. Before it was used on the precious container it was tested in the rehearsal lab.

"In addition to the design challenge of being limited to curation-approved materials to protect the scientific value of the asteroid sample, these new tools also needed to function within the tightly-confined space of the glovebox, limiting their height, weight, and potential arc movement," said Dr Nicole Lunning, OSIRIS-REx curator at Johnson.

"The curation team showed impressive resilience and did incredible work to get these stubborn fasteners off the TAGSAM head so we can continue disassembly. We are overjoyed with the success."


Original Submission

posted by hubie on Saturday January 13 2024, @07:38AM   Printer-friendly

Arthur T Knackerbracket has processed the following story:

Artificial intelligence can accelerate the process of finding and testing new materials, and now researchers have used that ability to develop a battery that is less dependent on the costly mineral lithium.

Lithium-ion batteries power many devices that we use every day as well as electric vehicles. [...] Finding a replacement for this crucial metal could be costly and time-consuming, requiring researchers to develop and test millions of candidates over the course of years. Using AI, Nathan Baker at Microsoft and his colleagues accomplished the task in months. They designed and built a battery that uses up to 70 per cent less lithium than some competing designs.

The researchers focused on a type of battery that only contains solid parts, and they looked for new materials for the battery component that electric charges move through, called the electrolyte. They started with 23.6 million candidate materials designed by tweaking the structure of established electrolytes and swapping out some lithium atoms for other elements. An AI algorithm then eliminated the materials that it calculated would be unstable, as well as those in which the chemical reactions that make batteries work would be weak. The researchers also considered how each material would behave while the battery was actively working. After only a few days, their list contained just a few hundred candidates, some of which had never been studied before.

[...] His team built a working battery with this material, albeit with a lower conductivity than similar prototypes that use more lithium. Baker and Murugesan both say that lots of work is left to optimise the new battery. However, the process of making it – from the first time Murugesan spoke to the Microsoft team to the battery being functional enough to turn on a light bulb – took about nine months.

"The methods here are bleeding edge, in terms of machine learning tools, but what really elevates this is that things got made and tested," says Rafael Gómez-Bombarelli at the Massachusetts Institute of Technology, who was not involved with the project. "It's very easy to do predictions; it's hard to convince someone to invest on actual experiments." He says that the team used AI to accelerate and augment calculations that physicists have been doing for decades. But this approach may still run into obstacles in the future. The data needed to train the AI for this type of work is often sparse, and materials other than battery components may require a more complex way of combining elements, he says.

Reference: arXiv arxiv.org/abs/2401.04070


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posted by hubie on Saturday January 13 2024, @02:52AM   Printer-friendly
from the in-other-words-we-have-no-idea dept.

Arthur T Knackerbracket has processed the following story:

The PC industry has ended a two-year run of declining shipments, by growing 0.3 percent in Q4 of 2023, amid a warning that the cost of components will rise this year, as will the cost of laptops and desktops.

This is according to analyst Gartner's figures, but other analysts have a different view of proceedings: IDC reckons this was the eighth straight quarter of "sales-out" shrinkage - meaning sales to retailers and distributors - and Canalys estimates the market actually grew three percent.

We've chosen on this occasion to go down the middle and mostly focus on the data emitted by number crunchers at Gartner, which calculates that some 63.37 million PCs were shipped in the three months.

“The PC market has hit the bottom of its decline after significant adjustment," said Mikako Kitagawa, director analyst at Gartner. "Inventory was normalized in the fourth quarter of 2023, which had been plaguing the industry for two years.

[...] Over at IDC, the analyst estimates that PC shipments were down 2.7 percent to 67.1 million, and also said the market has "bottomed out." Canalys was more bullish, and reckons shipments were up three percent to 65.3 million.

Things certainly seem to be improving but those heady days of the pandemic, when the total available market swelled to 350 million in 2021, seem like a long time ago.


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