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Study yields ‘Genghis Khan’ of brown bears, and brown and polar...

Male bears are seemingly always on the prowl, roaming much greater distances than females, particularly for mating. For bear evolution, studying the paternally inherited...

What’s happened to the tsunami debris from Japan?

The amount of debris in the ocean is growing exponentially, becoming more and more hazardous and harmful to marine life and therefore also to...

DNA reveals new clues: Why did mammoths die out?

Why did mammoths and other large mammals of the tundra suddenly become extinct some 10,000 years ago? It’s a question that has divided scientists over...
Global waming staves off ice age

Glaciers sizzle as they disappear into warmer water

Scientists have recorded and identified one of the most prominent sounds of a warming planet: the sizzle of glacier ice as it melts into...

US preterm birth rate drops to 15-year low

Six states – Alaska, California, Maine, New Hampshire, Oregon and Vermont – earned an "A" on the March of Dimes 2013 Premature Birth Report...

Suicidal talk on Twitter mirrors suicide rates

Heart-breaking accounts of cyber bullying and suicide seem all too common, but a new study offers hope that social media can become an early...

Gas flaring and household stoves speed Arctic thaw

Gas flaring by the oil industry and smoke from residential burning contributes more black carbon pollution to Arctic than previously thought—potentially speeding the melting...

Alaska tundra shows surprising resilience after unprecedented fire

Despite the size and severity of the massive 2007 Anaktuvuk River fire on Alaska’s North Slope, much of the arctic vegetation has recovered and...

Breeding birds in Alaska vulnerable to climate change

A new report from the Wildlife Conservation Society (WCS) looked at the vulnerability of 54 breeding bird species to climate change impacts occurring by...

Fuel treatments reduce wildfire severity, tree mortality in Washington forests

A study conducted by U.S. Forest Service and University of Washington (UW) scientists has found that fuel treatments -- even of only a few acres -- can reduce fire severity and protect older trees desirable for their timber, wildlife, and carbon-sto...

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