Overfished Amazon fish disperse seeds long distances

(PhysOrg.com) -- The gamitana fish, a close relative of the flesh-eating piranha, mostly eats fruit and can carry seeds down the Amazon River as far as 3 miles (5 kilometers), reports a new Cornell study, making it one of ...

Uncertain future for Joshua trees projected with climate change

Temperature increases resulting from climate change in the Southwest will likely eliminate Joshua trees from 90 percent of their current range in 60 to 90 years, according to a new study led by U.S. Geological Survey ecologist ...

Where has all the Gulf spill oil gone?

Many questions remain about the fate and environmental impact of the marine oil caused by the massive spill in the Gulf of Mexico from the Deepwater Horizon offshore drilling platform. A predictive model based on engineering ...

How spring-loaded filaree seeds self launch

When filaree seeds ripen and burst, they are launched with an inbuilt spring. Scientists based at the University of California, Berkeley, and Harvard University have discovered that the inbuilt spring stores energy as the ...

A less toxic, more efficient dispersant is scientist's goal

After the failure of the Deepwater Horizon oil well last spring, nearly 2 million gallons of dispersant were released into the Gulf of Mexico to contain the spill. While preliminary reports suggest that it successfully dispersed ...

Oil dispersants' effects still largely a mystery

In the wake of the BP oil spill, gaping questions remain about a key tool used during cleanup: the nearly 2 million gallons of chemical dispersants sprayed over the water or onto the gushing wellhead on the seafloor. Do the ...

Gulf surface cleaner, but questions lurk far below

(AP) -- Researchers are warning that the Gulf of Mexico oil spill is a bigger mess than the government claims and that a lot of crude is lurking deep below the surface, some of it settling perhaps in a critical undersea ...

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