Bear cub found dead in Spanish Pyrenees

A brown bear cub that was part of an effort to reintroduce the species to the Pyrenees mountains has been found dead on the Spanish side of the mountain range, local officials said Monday.

Geologists discover ancient buried canyon in South Tibet

A team of researchers from Caltech and the China Earthquake Administration has discovered an ancient, deep canyon buried along the Yarlung Tsangpo River in south Tibet, north of the eastern end of the Himalayas. The geologists ...

Darwin 2.0: Scientists shed new light on how species diverge

Birds that are related, such as Darwin's finches, but that vary in beak size and behavior specially evolved to their habitat are examples of a process called speciation. It has long been thought that dramatic changes in a ...

Sculpting tropical peaks

Tropical mountain ranges erode quickly, as heavy year-round rains feed raging rivers and trigger huge, fast-moving landslides. Rapid erosion produces rugged terrain, with steep rivers running through deep valleys. However, ...

Shaking things up

Nicole Gasparini was going upstream against a major trend in geologic research. Many geologists ascribe to the popular hypothesis about the formation of very steep mountain ranges: that a wet climate and heavy rainfall on ...

The vivid realism of 3D functions, right there on your browser

A classic online mathematical reference offered by the National Institute of Standards and Technology (NIST) now features a better way for users to view its most complicated illustrations—three-dimensional graphs of math ...

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