Scientists have long designated the california sea otter a “keystone predator,” meaning what the animal eats has a large impact on its environment. The otters devour extraordinary amounts of sea urchins that otherwise would gobble up the kelp that Read more...

Dung beetles prefer the smelliest poop they can find, new research on the insects suggests. Odorous dung from omnivores, which eat a diet of both plants and animals, seems to be the most attractive to the beetles. Some of the top choices? Human and Read more...