GOLDSHTEIN: So when a bat emit an echolocation call, it wait to the reflected echo in order to get information about the ...

The Public Health Agency of Canada is part of the federal health portfolio. Our activities focus on protecting against threats to public health, preventing and reducing diseases and injury, and ...

A Christian man in the the eastern Pakistani town of Jaranwala has been sentenced to death after being accused of desecrating ...

Swaths of Allegheny National Forest could be on the chopping block as the federal government moves to increase logging in ...

Imagine being able to fly through pitch-black caves, dart between tree branches at midnight, and snatch a tiny insect out of ...

Imagine gliding through a pitch-black forest at midnight, dodging branches and catching tiny insects in midair—without using ...