Archive: 22/04/2008

Companies do not always release important information

The study, led by Karen Lightstone, PhD, CA, of Saint Mary’s University in Nova Scotia, Canada, focused on companies that had received a cease-trading order (CTO), indicating that the investor could not sell shares and ...

dateApr 22, 2008 in Other
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Can certain metals repel sharks from fishing gear?

Sharks in captivity avoid metals that react with seawater to produce an electric field, a behavior that may help fishery biologists develop a strategy to reduce the bycatch of sharks in longline gear. Shark bycatch is an ...

dateApr 22, 2008 in
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Photoluminescence in nano-needles

Silicon is the workhorse among semiconductors in electronics. But in opto-electronics, where light signals are processed along with electronic signals, a semiconductor that is capable of emitting light is needed, which silicon ...

dateApr 22, 2008 in Nanophysics
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Scientists clarify a mechanism of epigenetic inheritance

Although letters representing the three billion pairs of molecules that form the “rungs” of the helical DNA “ladder” are routinely called the human “genetic code,” the DNA they comprise transmits traits across ...

dateApr 22, 2008 in
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First atomic-level look at a protein that causes brain disease

For the first time, researchers have peered deeply at the atomic level into the protein that causes hereditary cerebral amyloid angiopathy (CAA) -- a disease thought to cause stroke and dementia. The study pinpointed a tiny ...

dateApr 22, 2008 in
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