Bonobos are more aggressive than previously thought, study shows

Chimpanzees and bonobos are often thought to reflect two different sides of human nature—the conflict-ready chimpanzee versus the peaceful bonobo—but a new study published in Current Biology shows that, within their own ...

A whiff of tears reduces male aggression, says study

Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression.

Women want to ride a bike without fear of injury and harassment

Despite the health and environmental benefits of getting on a bike, in Melbourne, twice as many men ride bikes as women. A new study by Monash University has uncovered both why this is the case, and how it can be reversed.

Polar bear in fatal Alaska attack was in poor health

A polar bear that killed a young mother and her baby last month in western Alaska was likely an older animal in poor physical condition, but tests came back negative for pathogens that affect the brain and cause aggressive ...

Cat-egorizing play and genuine fighting in cats

The behavior of cat interactions has been categorized into playful, aggressive and intermediate groups that may help owners distinguish between play and genuine fighting. The study, published in Scientific Reports, suggests ...

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