On April 19, Netflix will release Chimp Empire, a four-part docuseries that follows the fascinating lives of the Ngogo chimpanzees as they raise their young, navigate complex social dynamics, and attempt to climb to the top of the hierarchy.

New Leakey Foundation-supported research pushes back the oldest evidence of grassy woodlands by 10 million years and suggests that the earliest apes evolved upright stature for leaves, not fruit.