First finding of a metabolite in 1 sex only

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Researchers at the University of Illinois at Chicago have discovered a chemical compound in male blue crabs that is not present in females -- the first time in any species that an entire enzyme system has been found to be activated in only one sex.


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All News summaries for August 22, 2007

Fossil feathers preserve evidence of color

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The traces of organic material found in fossil feathers are remnants of pigments that once gave birds their color, according to Yale scientists whose paper in Biology Letters opens up the potential ...

Do we think that machines can think?

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When our PC goes on strike again we tend to curse it as if it was a human. The question of why and under what circumstances we attribute human-like properties to machines and how such processes manifest on a cortical level ...

Superfast muscles in songbirds

3 hours ago | User rating: not rated yet
Certain songbirds can contract their vocal muscles 100 times faster than humans can blink an eye – placing the birds with a handful of animals that have evolved superfast muscles, University of Utah researchers ...

Art of deception: Crystal skulls in British, US museums were fakes

3 hours ago | User rating: not rated yet
How about this for the next instalment of the Indy franchise: "Indiana Jones and the Dodgy Antiques Dealer"?

Milwaukee museum unveils woolly mammoth skeleton

4 hours ago | User rating: not rated yet
(AP) -- A 14,500-year-old woolly mammoth skeleton dug up in 1994 has been unveiled at the Milwaukee Public Museum, giving locals a glimpse of perhaps the most intact specimen discovered in North America.
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