A new exhibition at the Bruce Museum in Greenwich, Conn., gives visitors a whiff, from “chocolate-y” to stinky blue cheese.

Ants have evolved an acute sense of smell, which requires each sensory neuron to choose one scent receptor out of hundreds.

When scientists constructed a puzzle-solving task and pitted teams of people against teams of ants, the insects sometimes proved to be the smarter species. That’s not to denigrate human intelligence — ...

Set out baits labeled for carpenter ants. Baits can be effective because ants share food with each other, says Benson. Place ...