Behavior

Punch, a monkey that went viral after he was abandoned by his mother in a Japanese zoo, is reminiscent of a foundational attachment theory experiment

These caterpillars rely on ants to tend them, and they use a surprisingly complex sense of rhythm to make it happen

Spiders scare off predators by seemingly supersizing themselves

Behavioral economist Katy Milkman explains why most New Year’s resolutions fail and shares how science-backed strategies can build habits that last.

Are you a specialist or a generalist? The answer could reveal something about how well you learn and perfect a skill

More than 1 in 10 children in the U.S. have ADHD, fueling debate over the condition and how to treat it

When more humans are added to a team, each member accomplishes less work—but teams of weaver ants do better and better as more join

These dogs can extend words to new objects based on function the way children do in early language learning

A new preprint field study reveals that New York City’s rats aren’t just survivors—they’re talkative city dwellers with their own hidden nightlife. Mapping their movements and conversations could offer insights to transform urban planning and pest control

Winning more than $1 billion in Powerball is an exciting possibility, but keeping a cool math mind can help you decide whether that opportunity is worth your $2 bet

Our social voyeurism may have deep evolutionary roots

Telling people exactly how voting security works helps defeat election misinformation, experiments suggest. But outside experts question how well that works in the real world