27/06/2011

Fossilized pollen reveals climate history of northern Antarctica

A painstaking examination of the first direct and detailed climate record from the continental shelves surrounding Antarctica reveals that the last remnant of Antarctic vegetation existed in a tundra landscape on the continent's ...

Female mate choice enhances offspring fitness in an annual herb

In many organisms females directly or indirectly select mates (or sperm) and potentially influence the fitness of their offspring. Mate choice and sexual selection in plants is more complex in some ways than in animals because ...

Subatomic quantum memory in diamond demonstrated

Physicists working at the University of California, Santa Barbara and the University of Konstanz in Germany have developed a breakthrough in the use of diamond in quantum physics, marking an important step toward quantum ...

Conservation dollars and sense

Shark populations over the last 50 years have decreased dramatically. From habitat degradation to overfishing and finning, human activities have affected their populations and made certain species all but disappear.

Scientists discover dielectron charging of water nano-droplet

Scientists have discovered fundamental steps of charging of nano-sized water droplets and unveiled the long-sought-after mechanism of hydrogen emission from irradiated water. Working together at the Georgia Institute of Technology ...

Researchers discover ancient symbiosis between animals, bacteria

Marine shallow water sandy bottoms on the surface appear desert-like and empty, but in the interstitial space between the sand grains a diverse fauna flourishes. In addition to bacteria and protozoa numerous animal phyla ...

Tasmanian devil's genome sequenced

A revolutionary species-preservation approach based on whole-genome analyses of two Tasmanian devils -- one that had died of a contagious cancer known as Devil Facial Tumor Disease (DFTD) and one healthy animal -- has been ...

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