Sharks Follow This Universal Math Rule, Confirming a Century-Old Law of Biology

From monkeys in Mercury capsules to rodents in the ISS, animals have long been test pilots of biology—tracing the evolution of life science aboard spacecraft since 1947 _ A Scientific Retrospective

Sharks Do Something Bizarre When Turned Upside Down, And We Don't Know Why

500 bird species face extinction within the next century - EurekAlert!