Mosquitoes evolved to prefer human blood. The shift could reveal when and where early humans lived

New research that decoded the evolution of mosquitoes’ feeding habits from DNA could shed light on the murky timeline of prehistoric human ancestors.
Johns Hopkins Medicine

Howler Monkeys Began Eating Leaves 13 Million Years Ago, Changing Course of Primate History in South America

• 13 million years ago, a medium-sized monkey known for guarding its territory among the treetops with a fearsome “howl” started doing something new. This monkey, one of the oldest known ancestors of ...