Why does puberty trigger us to stop growing?

All animals start out as a single-celled organism and then start growing. At some point, of course, they need to stop getting bigger, but the process by which this happens is poorly understood.

In pursuit of unknown assassin bugs

Entomologist Christiane Weirauch is passionate about studying a group of bugs that have a formidable name: assassin bugs. A professor of entomology at the University of California, Riverside, she travels worldwide in search ...

A clearer picture of how assassin bugs evolved

Assassin bugs, so named because these insects lie in ambush for prey that they attack with speed and precision, are found all over the world. Nearly 140 species of these bugs are blood-sucking; because they can bite humans ...