21/06/2007

Scientists close in on missing carbon sink

Forests in the United States and other northern mid- and upper-latitude regions are playing a smaller role in offsetting global warming than previously thought, according to a study appearing in Science this week.

Antarctic icebergs -- Hotspots of ocean life

Global climate change is causing Antarctic ice shelves to shrink and split apart, yielding thousands of free-drifting icebergs in the nearby Weddell Sea. According to a new study in this week’s journal Science these floating ...

New picture of Earth's lower mantle

Laboratory measurements of a high-pressure mineral believed to exist deep within the Earth show that the mineral may not, as geophysicists hoped, have the right properties to explain a mysterious layer lying just above the ...

Mathematics reveals genetic pattern of tumor growth

Using mathematical theory, UC Irvine scientists have shed light on one of cancer’s most troubling puzzles -- how cancer cells can alter their own genetic makeup to accelerate tumor growth. The discovery shows for the first ...

NVIDIA Ushers In the Era of Personal Supercomputing

High-performance computing in fields like the geosciences, molecular biology, and medical diagnostics enable discoveries that transform billions of lives every day. Universities, research institutions, and companies in these ...

Cluster: spacecrafts flying closer than ever for better science

After weeks of manoeuvres, Samba and Tango, two of ESA’s four Cluster satellites are now orbiting in formation, separated by only 17 km. This is the closest two ESA satellites have ever been in routine operations and will ...

Ice Age extinction claimed highly carnivorous Alaskan wolves

The extinction of many large mammals at the end of the Ice Age may have packed an even bigger punch than scientists have realized. To the list of victims such as woolly mammoths and saber-toothed cats, a Smithsonian-led team ...

The smallest piece of ice reveals its true nature

Collaborative research between scientists in the UK and Germany (published in this week’s Nature Materials) has led to a breakthrough in the understanding of the formation of ice.

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