Archive: 06/07/2011

Bacteria on old-growth trees may help forests grow

A new study by Dr. Zoe Lindo, a post-doctoral fellow in the Department of Biology at McGill University, and Jonathan Whiteley, a doctoral student in the same department, shows that large, ancient trees may be very important ...

dateJun 07, 2011 in Environment
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Using magnets to help prevent heart attacks

If a person's blood becomes too thick it can damage blood vessels and increase the risk of heart attacks. But a Temple University physicist has discovered that he can thin the human blood by subjecting it to a magnetic field.

dateJun 07, 2011 in General Physics
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Dolphins use double sonar

Dolphins and porpoises use echolocation for hunting and orientation. By sending out high-frequency sound, known as ultrasound, dolphins can use the echoes to determine what type of object the sound beam has ...

dateJun 07, 2011 in Plants & Animals
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Will the eel survive its management?

The European eel is on the way to disappearing for good. The species is critically endangered, and there are strong scientific arguments for suspending all fishing. Despite this situation, Swedish eel fishery is allowed to ...

dateJun 07, 2011 in Ecology
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Protein folding made easy

Protein folding has nothing to do with laundry. It is, in fact, one of the central questions in biochemistry. Protein folding is the continual and universal process whereby the long, coiled strings of amino ...

dateJun 07, 2011 in Cell & Microbiology
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