Scientists have unearthed extraordinarily preserved fossils of a 520-million-year-old sea creature, one of the earliest animal fossils ever found, according…
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Ancient eye cells suggest color vision is 300 million years old
Fossilized rod and cone cells the kinds that help people see have been discovered for the first time, researchers say.…
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Rare evolutionary twist morphed dino arms into bird wings
When dinosaurs evolved into birds, they had to adapt their arms into wings in order to take flight, a process…
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