News

Earth

Alpine glaciers on a hasty retreat

Comparisons of satellite images, aerial photos, and old surveys of Alpine glaciers indicate that the ice masses are losing area at an accelerating rate.

Tech

Microscope goes mini

The atomic force microscope has been shrunk to the size of a microchip.

Health & Medicine

Vitamin C and diabetes: Risky mix?

Vitamin C supplements may place people with diabetes at increased risk of heart disease.

Earth

Ancient Heights: Leaf fossils track elevation changes

A new technique using altitude-dependent differences in fossil leaves may make it possible to chronicle the rise and fall of mountain ranges over millions of years.