Sorry really can be the hardest word.

For science to have a meaningful impact on a group of people, new information needs to spread between trusted members of that community.

Phrases like ‘climate crisis,’ ‘climate emergency’ or ‘climate justice’ might seem to escalate the urgency, but a large survey shows they don’t help and may actually hurt.

Dozens of animals, some on land but many in the ocean, can produce light within their bodies through chemical reactions. Scientists are still trying to understand when and why this trait developed.

Research reveals lots of reasons why well-meaning attempts to inform, persuade or correct misinformation go awry. It also identifies ways to avoid these communication backfires.

It’s certainly an exciting time to study communication in whales and dolphins.

Russian soldiers in the Ukraine war are sending out signals in morse code on a daily basis, even though there are more high tech solutions.

Laughter is so fundamental that animals like chimps, rats and dogs share the ability with humans. But in people it serves more serious social functions than just letting others know you’re having fun.