Τετάρτη 27 Φεβρουαρίου 2013

ScienceDaily: Top Environment News

ScienceDaily: Top Environment News


Ship noise makes crabs get crabby

Posted: 26 Feb 2013 04:40 PM PST

A new study found that ship noise affects crab metabolism, with the largest crabs faring the worst, and found little evidence that crabs acclimatize to noise over time.

Leatherback sea turtle could be extinct within 20 years at last stronghold in the Pacific Ocean

Posted: 26 Feb 2013 11:12 AM PST

An international team led by the University of Alabama at Birmingham (UAB) has documented a 78 percent decline in the number of nests of the critically endangered leatherback sea turtle (Dermochelys coriacea) at the turtle's last stronghold in the Pacific Ocean.

Evolution and the ice age

Posted: 26 Feb 2013 10:52 AM PST

Scientists are discovering how the evolution of ecosystems has to be taken into account when speculating between different geological eras. Go back to the time of the dinosaurs or to the single-celled organisms at the origins of life, and it is obvious that ecosystems existing more than 65 million years ago and around four billion years ago cannot be simply surmised from those of today.

Eating well could help spread disease, water flea study suggests

Posted: 26 Feb 2013 09:05 AM PST

Plentiful food can accelerate the spread of infections, scientists have shown in a study of water fleas. Scientists studying bacterial infections in tiny water fleas have discovered that increasing their supply of food can speed up the spread of infection.

New tool for measuring frozen gas in ocean floor sediments

Posted: 26 Feb 2013 08:34 AM PST

Scientists have developed an instrument capable of simulating the high pressures and low temperatures needed to create hydrate in sediment samples.

Key component of China's pollution problem: Scale of nitrogen's effect on people and ecosystems revealed

Posted: 26 Feb 2013 06:21 AM PST

It's no secret that China is faced with some of the world's worst pollution. Until now, however, information on the magnitude, scope and impacts of a major contributor to that pollution -- human-caused nitrogen emissions -- was lacking.

'Fat worms' inch scientists toward better biofuel production

Posted: 26 Feb 2013 06:21 AM PST

Fat worms confirm that researchers have successfully engineered a plant with oily leaves -- a feat that could enhance biofuel production as well as lead to improved animal feeds.

Protecting fish from antidepressants by using new wastewater treatment technique

Posted: 26 Feb 2013 05:11 AM PST

Researchers have developed a new technique to prevent pharmaceutical residues from entering waterways and harming wildlife.

Windmills at sea can break like matches

Posted: 26 Feb 2013 05:10 AM PST

Medium-sized waves can break wind turbines at sea like matches. These waves occur even in small storms, which are quite common in the Norwegian Sea.

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