Eons
Your Place in the Primate Family Tree
How did we get from a mouse-sized creature that looked more like a squirrel to you?
How did we get from a mouse-sized creature that looked more like a squirrel to you?
Two humans managed to pass on a very small fraction of their genomes to all of us.
Today, we’re familiar with two types of flying vertebrates -- birds and bats.
Learn More about the Very Rare Medium-Sized Dinosaurs.
The very last mammoths that ever lived experienced what’s known as a mutational meltdown.