What's driving re-burns across California and the West?

Seasonal temperature, moisture loss from plants and wind speed are what primarily drive fires that sweep across the same landscape multiple times, a new study reveals. These findings and others could help land managers plan ...

How cheetahs outpace greyhounds

Cheetahs are the high-performance sports cars of the animal kingdom, but how do they outstrip other elite athletes when using the same sprint technique? Penny Hudson, Sandra Corr and Alan Wilson from the Royal Veterinary ...

Animals are better sprinters than humans

An interdisciplinary group of scientists from the universities of Cologne, Koblenz, Tübingen, and Stuttgart has studied the characteristics determining the maximum running speed in animals. The model they developed explains ...

AI tool predicts the work rate of enzymes

Enzymes play a key role in cellular metabolic processes. To enable the quantitative assessment of these processes, researchers need to know the so-called "turnover number" (for short: kcat) of the enzymes. In the journal ...

NASA/ISRO Image Shows Irene's Winds Before Landfall

Hurricane Irene made landfall early Saturday morning, Aug. 27, just west of Cape Lookout, NC, as a category one hurricane with maximum sustained winds of 85 mph (75 knots). It is currently over eastern North Carolina and ...

Earthquake modelers unite to compare and improve code

Movement along faults in Earth's crust can be sudden and jarring, as felt during an earthquake, or it can occur more gradually over thousands of years. Any kind of movement along a fault might affect the stresses and other ...

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