What You Thought You Knew About Evolution is Changing
Description:
The evolutionary line from chimpanzee to modern human is not as straightforward as scientists originally believed. Recent discoveries suggest our evolutionary tree has many branches. From: SMITHSONIAN SPOTLIGHT: Human Origins http://bit.ly/1i0Lo9X
Video Duration:
1 min 40 sec
YouTube Keywords:
smithsonian history channel animals space ships airplane science discovery "free tv" snake documentary movies "free video" america