Submitted via IRC for takyon
https://fsmedia.imgix.net/d2/dd/e1/62/4912/4392/bfc9/b1eca970f83c/archaea-one-of-the-early-domains-of-life-can-be-found-in-yellowstones-hot-springs.jpeg?rect=0%2C64%2C800%2C399&auto=format%2Ccompress&w=800" name="twitter:image">
Source: https://www.inverse.com/article/48247-early-life-domain-molecular-clock [inverse.com]