Dogs are capable of learning the instruction “do that again,” and can flexibly access memories of their own recent actions—cognitive abilities they were not known to possess, researchers report.

Tariffs are an abstract economic concept to most people, but to the workers with U.S. Customs and Border Protection inside a mostly unnoticed building in Newark, N.J., tariffs are precise, specific ...

Wasps can tell the difference between pairs of stimuli that are the same or different, a task that requires the use of abstract concepts that only a small group of animals are known to grasp. The ...

In a series of studies over more than 20 years, evolutionary biologists have demonstrated that paper wasps, despite their tiny brains, have an impressive capacity to learn, remember and make social ...

Everyone knows ducklings are adorable, but it turns out they’re also surprisingly smart. While many animals, including humans, are pretty helpless when they’re first born, ducklings spring into action ...

If someone calls you a zero, you know it’s a diss without even having to think about it. You know right away that it means they think you’re nothing, smaller than any number. But humans aren’t the ...

Words work as a glue, allowing us to group together different experiences under one label. This is especially true for concepts that we cannot see or touch. But we still don’t really understand how ...