Humans have had a long history. 3.8 million years in the making, to be precise. From the primordial puddle to the modern day, here's how humans have evolved. The following is a review of the life ...

Thanks to these warm conditions, the earth at this time saw a rise in reptiles like the Scutosuarus and the Hylonomus. However, this meant a decline in amphibians because of the hot climate.