A combination of factors, from oxytocin release as an indicator of emotional investment to cortisol and other hormones that correlate with attention, can forecast what people will do after an experience.

An isotopic analysis of eggshell beads dating back more than 30,000 years indicates that they helped build networks that stretched for hundreds of kilometers.

Species that come up with new ways to find food may be more likely to survive in habitats disturbed by agriculture and other human activities.

An undergraduate research project finds the animals are tuned in to reassuring information from other species.

A large twin study in Sweden finds genetics has a much larger influence on the odds of an autism diagnosis, and has remained consistent over time.

Engineering an ultra-sensitive light-activated ion channel into brain cells allows for the control of neurons in live animals without a brain-implanted light source.

Some rats showed a decrease in addictive tendencies when researchers activated the pathway, while the behavior of others became more addictive when the pathway was inhibited.

Melanism in felines is both helpful and harmful.

A study in mice suggests serotonin release underlies the drug’s prosocial effects while dopamine mediates the rewarding properties that drive its potential for abuse.