Browsing: Lens_biology

Cadaverine and putrescine are the chemicals responsible for the dead-flesh stench.

A feral cat prowling among baby penguins on Macquarie Island, south of mainland Australia.Geoff Copson / Australian National Parks and Wildlife Service After a cat loses its last aesthetic and behavioral traits characteristic of a kitten, it also loses much of its appeal as a companion to some people. At the same time, this cat […]

Last month, a 40-year-old woman went to have her first mammogram, an unexceptional event at a time when women are encouraged to have breast-cancer screenings early and often. What was unusual about this test was that it was witnessed not just by an X-ray technician but by millions of people sitting in their living […]

Nature manages information, the currency of life, with exquisite efficiency.

From brain to blood to bone, macrophages take out our cellular trash.

Meet the mice that are changing the obesity conversation.

“Paleoscatologist” Karen Chin has uncovered the humble origin of life after dinosaurs.

Why is sexual reproduction so common in nature?

This image from a mouse brain shows the fluid channels (purple) and glia cells (green) flush out the brain’s waste into blood vessels.Jeffrey Iliff1 and Maiken Nedergaard For humans, sleep is an absolute requirement for survival, almost on par with food and water. When we don’t get it, we not only feel terrible, but our […]