07/10/2009

Edge detection crucial to eyesight

(PhysOrg.com) -- In a major advance in understanding how our eyesight works, Australian scientists have shown that birds' amazing flight and landing precision relies on their ability to detect edges.

Wildlife as a source for livestock infections

A bacterium possibly linked to Crohn's disease could be lurking in wild animals. According to research published in the open access journal BMC Microbiology, Mycobacterium avium subspecies paratuberculosis (Map), can be transmitted ...

Researchers develop new lab-on-a-chip technique

Scientists at the University of Toronto have developed a new "lab-on-a-chip" technique that analyses tiny samples of blood and breast tissue to identify women at risk of breast cancer much more quickly than ever before.

Climate: What's to become of the Kyoto Protocol?

Whether to tweak, bolster or bury the Kyoto Protocol -- the only binding global agreement for curbing greenhouse gases -- has become a red-hot issue as UN negotiators in Bangkok try to lay the groundwork for a successor treaty.

Bacterium helps formation of gold

Australian scientists have found that the bacterium Cupriavidus metallidurans catalyses the biomineralisation of gold by transforming toxic gold compounds to their metallic form using active cellular mechanism.

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