Eons
When Dinosaur Look-Alikes Ruled the Earth
These animals truly ruled the Earth, becoming both abundant and diverse.
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Why Triassic Animals Were Just the Weirdest
Why the Triassic was full of creatures that look a lot like other, more modern species.
Eons
Where Did Viruses Come From?
Where did viruses come from and how did they evolve? Are viruses alive?