17/06/2009

Study finds that hunters are depleting lion and cougar populations

Sport hunters are depleting lion and cougar populations as managers respond to demands to control predators that threaten livestock and humans, according to a study published in the June 17 issue of PLoS ONE. The study was ...

Deadly Parasite Could Endanger Salmon and Trout Populations

Stocks of the UK’s Atlantic salmon along with varieties of domestic Brown trout could be under threat from a deadly parasite according to research led Bournemouth University (BU) published in the International Journal of ...

Shape matters in the case of cobalt nanoparticles

Shape is turning out to be a particularly important feature of some commercially important nanoparticles—but in subtle ways. New studies* by scientists at the National Institute for Standards and Technology (NIST) show that ...

Nonstick and laser-safe gold aids laser trapping of biomolecules

Biophysicists long for an ideal material -- something more structured and less sticky than a standard glass surface—to anchor and position individual biomolecules. Gold is an alluring possibility, with its simple chemistry ...

A sonic boom in the world of lasers

It was an idea born out of curiosity in the physics lab, but now a new type of ‘laser’ for generating ultra-high frequency sound waves instead of light has taken a major step towards becoming a unique and highly useful 21st ...

Twitter brings new language to old institution, the Senate

Sen. Charles Grassley was darned annoyed when he saw that President Barack Obama was having a good time in Paris. So Grassley tweeted in protest: "Pres Obama while u sightseeing in Paris u said 'time to delivr on healthcare' ...

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