Eons
When It Was Too Hot for Leaves
For the first 80 million years of plants' existence, leaves didn't exist. Here's why.
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Eons
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Eons
When the Synapsids Struck Back
Our world is the way it is because of the time when the synapsids struck back.
Eons
When Giant Deer Roamed Eurasia
Megaloceros was one of the largest members of the deer family ever to walk the Earth.
