When biologists study cooperation in animals, they usually offer just a single task at a time. But what happens when animals ...

There's something magnetic about a group of people looking in the same direction—others will follow their gazes to see what has caught their attention. But is the same true for animals like pigeons?

How witnessing aggression might affect behavior ...

A meadow grasshopper (Pseudochorthippus parallelus). This species is widespread across most of Europe and is commonly used as a model organism in evolutionary biology. If an experiment is repeated ...

A recent study provides evidence that some results of behavioral experiments with insects cannot be fully reproduced. So far, possible reproducibility problems have been little discussed in this ...