In nature, dolphins 'whistle' by name

Wild bottlenose dolphins design unique signature whistles to identify themselves, and they answer when a close cohort calls them by name, researchers said Monday.

Most flammable boreal forests in North America become more so

A 2,000-square-kilometer zone in the Yukon Flats of interior Alaska – one of the most flammable high-latitude regions of the world, according to scientists – has seen a dramatic increase in both the frequency and severity ...

Land-clearing Blazes in Indonesia

In Indonesia, land-clearing blazes dot the countryside. Fires for clearing land have been outlowed for all but the smallest landowners, but the "slash-and-burn" practice still persists despite cloaking Southeast Asia in toxic ...

Fires in Idaho

Forest fires continue to plague the hot, dry western part of the United States this summer. In Idaho, several fires were spotted by NASA's Aqua satellite on July 20, 2013. Actively burning areas, detected by MODIS's thermal ...

Greening of the Earth pushed way back in time

Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, and that landscapes of the early Earth were as barren as Mars.

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