Photo of John Calhoun crouches within his rodent utopia-turned-dystopia
Universe 25, 1968–1973
A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse.
Universe 25, 1968–1973
Universe 25, 1968–1973

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse.

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse.

social learning
One chimpanzee grooming another on its chin
Chimps Appear to Treat Others' Wounds Using Insects
Natalia Mesa | Feb 7, 2022
The practice, which hasn’t been previously observed among nonhuman animals, may be a display of empathy. 
How One Wild Dolphin’s Trick Became a Fad
Ashley Yeager | Dec 1, 2018
After release from rehab, bottlenose Billie started walking on water with her tail. Studying how the behavior spread could offer clues about how animals learn from each other.
Image of the Day: Brainy Bees
The Scientist Staff | Feb 23, 2017
Bees can learn complex behaviors to obtain rewards.
Specialized Neurons Encode Social Learning in Humans
Karen Zusi | Sep 6, 2016
Activity in the anterior cingulate cortex corresponds with observing the behavior of others when their actions, or the subsequent outcomes, don’t match one’s expectation.