For electrical charges racing through an atom-thick sheet of graphene, occasional hills and valleys are no big deal, but the potholes—single-atom defects in the crystal—they’re killers.
Nanophysics
Jul 12, 2007
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U.S. Fish and Wildlife Service officials are considering extending endangered species protection to 10 species of penguins in the southern hemisphere.
Jul 12, 2007
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The International Space Station crew is preparing for the arrival of another Russian cargo spacecraft by discarding no longer needed items.
Space Exploration
Jul 12, 2007
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California and Florida already have similar climates and soon they will have similar policies on climate change.
Environment
Jul 12, 2007
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Fossilised midges have helped scientists at the University of Liverpool identify two episodes of abrupt climate change that suggest the UK climate is not as stable as previously thought.
Earth Sciences
Jul 12, 2007
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Using plastics to harvest the energy of the sun just got a significant boost in efficiency thanks to a discovery made at the Center for Polymers and Organic Solids at the University of California, Santa Barbara.
Condensed Matter
Jul 12, 2007
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Biologists have long thought that a simple on/off switch controls most genes in human cells. Flip the switch and a cell starts or stops producing a particular protein. But new evidence suggests that this model is too simple ...
Jul 12, 2007
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A team of John Innes centre scientists lead by Professor Nick Harberd have discovered how plants evolved the ability to adapt to changes in climate and environment. Plants adapt their growth, including key steps in their ...
Jul 12, 2007
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Many earthquakes in the deep ocean are much smaller in magnitude than expected. Geophysicists from the Woods Hole Oceanographic Institution (WHOI) have found new evidence that the fragmented structure of seafloor faults, ...
Earth Sciences
Jul 12, 2007
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An international team of researchers has documented a remarkable example of natural selection in a tropical butterfly species that fought back - genetically speaking - against a highly invasive, male-killing bacteria.
Jul 12, 2007
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