Faster evolution not responsible for tropical biodiversity

It's been known for more than 150 years that the tropics are home to far greater numbers of animal and plant species than the planet's temperate regions. But despite decades of study, the causes of this striking biodiversity ...

Pollen and clouds: April flowers bring May showers?

The main job of pollen is to help seed the next generation of trees and plants, but a new study from the University of Michigan and Texas A&M shows that the grains might also seed clouds.

Making travel quick, safe for cars, bikes, walkers

Cellphones that warn drivers when people are crossing in front of them. Bicycles and cars that communicate with traffic lights. Sensors in cars that quickly alert other drivers to black ice, potholes or other hazards. A low-priced ...

Ice storm leaves 500K without power in US, Canada

Repair crews worked around the clock to restore power to nearly half a million customers who faced a cold and dark Christmas in parts of the central and northeastern United States and into eastern Canada after a weekend ice ...

6-week search finds no Asian carp near Chicago

(AP) -- An initial six-week mission to catch and kill Asian carp lurking on the Great Lakes' doorstep turned up none of the despised fish, suggesting few if any have eluded an electric barrier designed to block their path ...

Feds pass on surest solution to Asian carp advance

(AP) -- With marauding Asian carp on the Great Lakes' doorstep, the federal government has crafted a $78.5 million battle plan that offers no assurance of thwarting an invasion and doesn't use the most promising weapon available ...

Asian carp may have breached barrier protecting Lake Michigan

Two feared species of Asian carp have zoomed beyond the $9 million electric barriers built to keep them out of Lake Michigan. Now, the only thing left between the carp and the Great Lakes is a lock and dam in southern Chicago.

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