Salmonid hatcheries cause 'stunning' loss of reproduction

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The rearing of steelhead trout in hatcheries causes a dramatic and unexpectedly fast drop in their ability to reproduce in the wild, a new Oregon State University study shows, and raises serious questions about the wisdom of historic hatchery practices.


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All News summaries for October 04, 2007

Living sensor can warn of arsenic pollution

5 minutes ago | User rating: not rated yet
Scientists studying arsenic pollution have discovered a living sensor that can spot contamination. They have also discovered new bacteria that can clean up arsenic spills even in previously untreatable cold areas, microbiologists ...

How plants fine tune their natural chemical defenses

Sep 07, 2008 | User rating: not rated yet
Even closely related plants produce their own natural chemical cocktails, each set uniquely adapted to the individual plant's specific habitat. Comparing anti-fungals produced by tobacco and henbane, researchers at the Salk ...

Understanding Algae As An Alternative Fuel Source: Will The Real Algae X Please Stand Up

Sep 07, 2008 | User rating: not rated yet
The recent creation of AXI, LLC is an alliance between Allied Minds, Inc. a seed investment company and the University of Washington. The alliance came about because of Professor Rose Ann Cattolico PhD, an ...

How you spend affects how much you spend: Non-cash purchases found to be higher than cash buys

Sep 07, 2008 | User rating: not rated yet
There is fresh evidence that people spend less when paying cash than using credit, cash-equivalent scrip or gift certificates. They also spend less when they have to estimate expenses in detail. These findings appear in the ...

Oldest gorilla in captivity dies in Dallas at 55

Sep 05, 2008 | User rating: not rated yet
(AP) -- The oldest gorilla in captivity, a 55-year-old female named Jenny, has died at the Dallas Zoo - her home for more than half a century, a spokesman said Friday.
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