Found in a roughly 350-year-old manuscript by Dutch biologist Johannes Swammerdam, the scientific illustration shows the brain of a honeybee drone.

Bats may broadcast their personalities to others from a distance, new experiments suggest, which could play into social dynamics within a colony.

Weather data show how humankind’s burning of fossil fuels made the hot, dry, windy weather more likely, setting the stage for the Los Angeles wildfires.