Scientists have uncovered an unexpected genetic shift that may explain how animals with backbones first emerged and became so diverse.
Learn how increased protein diversity in signaling genes may have helped drive the shift from invertebrates to vertebrates, ...
Every mammal, every fish, every vertebrate (creatures that have a spine) has two eyes. It’s been that way for millions and ...
About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, and shallow seas shrank fast.
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