Neanderthals had already been extinct for around 20,000 years by this point. It’s not clear why ancient humans and other animals in this group lived in this seemingly harsh climate rather than ...
By 4,000 B.C.E., the Chinese were studying the movement of the sun relative to Earth and refining their solar building techniques. The ancient Greeks made good use of passive solar design as well.
Ancient DNA analysis has revealed a detailed picture of the life of a toddler who died in southern Italy 17,000 years ago, possibly due to a congenital heart condition. In 1998, researchers ...