Behavior

During the lockdown phase of the COVID pandemic, we indulged our toddler son. Years later, we wonder if his current behavior is normal or a result of that early isolation 

Blockbuster weight-loss drugs are revealing how appetite, pleasure and addiction work in the brain

A 25-year study shows that teens who receive empathy from their parents give more empathy to their peers and, later, their own children

Just watching someone scratch themselves on social media switches on the brain network that initiates the physical sensation of itch

A physicist, a philosopher and a psychologist are working together to bring better, smarter decision-making to the masses

New studies in bees and chimps challenge the long-held assumption that only humans can learn from innovative peers

Sleep experts break down why some couples are choosing a “sleep divorce,” or opting to sleep alone instead of sharing a bed

Whether we live a million more years or another week is up to us

A popular personality test beats out astrology but trails far behind scientific measure of personal traits

Virtual-reality could assist researchers in decoding how emotions spur a decision to commit a crime

Yes, conspiracy narratives are everywhere. But it’s not as bad as you think

The controversy over a recent paper on human bisexual behavior emphasizes how important it is not to overinterpret genetic studies of sexuality—and how easy it is to do so