Rather than rely solely on passive diffusion, insects use discontinuous patterns of gas exchange to avoid the toxic effects of oxygen, according to researchers at the University of California, Irvine.

In most bumblebee species, the queens spend their winters buried underground in a tiny cavity the size of a grape. For six to nine months, they enter a deep sleep-like state called diapause, waiting ...

Cockroaches tend to unsettle people for obvious reasons, though their biology is often stranger than their appearance. One detail that repeatedly surp.