Scientists uncovered evidence that human blood cells may trace their origins back to single-celled ancestors that lived 700 million years ago. By rebuilding the evolutionary family tree of blood cells, the team revealed how today’s immune system grew from some of Earth’s earliest life forms.
source https://www.sciencedaily.com/releases/2026/05/260526022006.htm
Want an oxygen-rich atmosphere? Stuff oxygen’s friends in the mantle.
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Planet Earth has some pretty great qualities going for it. (Negative
reviews mostly revolve around the staff and clientele.) Pretty high on the
list of p...
12 hours ago
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