26/02/2007

Mellow in Europe, crazy in America

Reed canarygrass is a bit like some people on vacation. At home, they stay on their side of the fence, and speak nicely with the neighbors. But jet them into Las Vegas and by week's end they are shoving other people out of ...

New insights into high-temperature superconductors

Scientists at the Carnegie Institution's Geophysical Laboratory in collaboration with a physicist at the Chinese University of Hong Kong have discovered that two different physical parameters —pressure and the substitution ...

Early Europeans unable to stomach milk

The first direct evidence that early Europeans were unable to digest milk has been found by scientists at UCL (University College London) and Mainz University.

The cost of keeping eggs fresh for mother cockroaches

One of the defining differences between the sexes is in the size of their gametes. Males make many tiny sperm while females make only a few large eggs. This suggests that sperm are cheap while eggs are expensive.

U.S. funds hydrogen experiment

The U.S. Energy Department has awarded a U.S. researcher a $3 million grant for a project that focuses on harnessing photoactive material from the sun.

Researchers study harmful particulates

Reducing barnyard emissions is one way to help reduce the harmful effects of tiny atmospheric air particles that can cause severe asthma in children, and lung cancer and heart attacks in some adults.

Milky Way Black Hole May Be a Colossal 'Particle Accelerator'

Scientists were startled when they discovered in 2004 that the center of our galaxy is emitting gamma rays with energies in the tens of trillions of electronvolts. Now astrophysicists at The University of Arizona, Los Alamos ...

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