29/07/2010

Ear bones reveal spawning secrets of Lake Erie walleye

Ecologists have long believed that fish tend to return to the same river where they hatched in order to spawn. But researchers at Ohio State University have determined that the old rule doesn't always apply -- not for Lake ...

Gender-bending fish on the rise in southern Alberta

Chemicals present in two rivers in southern Alberta are likely the cause of the feminization of fish say researchers at the University of Calgary who have published results of their study in the journal Environmental Toxicology ...

More frequent, more intense heat waves in store for New York

Heat waves like those that baked the Northeast in July are likely to be more frequent and more intense in the future, with their effects amplified in densely built urban environments like Manhattan, according to climate scientists ...

Japan experts call for robot expedition to moon

An expert panel advising the Japanese government called in a report approved on Thursday for the nation to send a wheeled robot to the moon in five years and to build the first lunar base by 2020.

Highlight of the Polarstern expedition

The Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association for the first time sent its Autonomous Underwater Vehicle (AUV) on an under-ice mission at about 79° North. The four-metre-long, torpedo ...

Researchers create fluorescent biosensor to aid in drug development

Researchers at Carnegie Mellon University have developed a new fluorescent biosensor that could aid in the development of an important class of drugs that target a crucial class of proteins called G protein-coupled receptors ...

Could an Aqua-Net Bring Water to the Desert?

(PhysOrg.com) -- Challenges of the future include energy use and continued population growth. And, while there are millions of square miles of land available in the world, not all of it is considered fit for human habitation. ...

Signs of reversal of Arctic cooling in some areas

Parts of the Arctic have cooled clearly over the past century, but temperatures have been rising steeply since 1990 also there. This is the finding of a summer temperature reconstruction for the past 400 years produced on ...

page 4 from 7