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Modern humans and more ancient hominins interbred many times throughout Eurasia and Africa, and the genetic flow went both ways.
Modeling suggests that many embryonic cells commit to a developmental fate when they become too small to divide unevenly anymore.
Theories about how animals became multicellular are shifting as researchers find greater complexity in our single-celled ancestors.
After an interstellar asteroid shot past the sun, scientists realized that there’s probably a lot of itinerant rocks out there.
Mathematicians have proved that a random process applied to a random surface will yield consistent patterns.
To researchers’ surprise, deep learning vision algorithms often fail at classifying images because they mostly take cues from textures, not shapes.
Researchers struggle to incorporate ongoing evolutionary discoveries into an animal classification scheme older than Darwin.
Contrary to popular belief, bacteria have organelles too. Scientists are now studying them for insights into how complex cells evolved.
Surviving fragments of genetic material preserved in sediments allow scientists to see the full diversity of past life — even microbes.