29/10/2007

Social standing influences elephant movement

When resources are scarce, who you know and where you're positioned on the social totem pole affects how far you'll go to search for food. At least that's the case with African elephants, according to a study led by ecologists ...

Tracing the Roots of the California Condor

At the end of the Pleistocene epoch some 10,000 years ago, two species of condors in California competed for resources amidst the retreating ice of Earth's last major glacial age. The modern California condor triumphed, while ...

Scientist exposes threat to backyard bird diversity

A leading environmental scientist from the University of Western Sydney has revealed that parrots commonly thought of as native to Sydney, are in fact invaders from inland areas of Australia, and their growing presence is ...

The Watchdogs of chromosome-segregation

Chromosomes are duplicated before they are segregated in equal parts to daughter-cells during cell division. An important regulator of this chromosome-separation is the "chromosomal passenger complex", a protein complex which ...

New technology improves the reliability of wind turbines

The world's first commercial Brushless Doubly-Fed Generator (BDFG) is to be installed on a 20kW turbine at or close to the University of Cambridge Engineering Department's Electrical Engineering Division Building on the West ...

A Hairpin To Fight HIV

When a host cell is infected with HIV, the virus brings its own genetic material into the host cell. This cell then replicates, reads the viral RNA, and uses it as a blueprint to produce more viral proteins. Complete viruses ...

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