Newly discovered fossilised footprints provide the earliest evidence yet for the evolution of reptiles – a major event in the history of life. They are 315 million years old, making reptiles up to 3 million years older ...
Archaeology
Oct 17, 2007
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Cosmology and astrophysics may help guide physicists in building a model of “unparticles,” a newly proposed sector of physics. Recently, Hooman Davoudiasl of Brookhaven National Laboratory has investigated some basic ...
Evidence of early humans living on the coast in South Africa, harvesting food from the sea, employing complex small stone tools and using red pigments in symbolic behavior 164,000 years ago, far earlier than previously documented, ...
Archaeology
Oct 17, 2007
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Astronomers have located an exceptionally massive black hole in orbit around a huge companion star. This result has intriguing implications for the evolution and ultimate fate of massive stars.
Astronomy
Oct 17, 2007
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Harvard chemists have built a new wire out of photosensitive materials that is hundreds of times smaller than a human hair. The wire not only carries electricity to be used in vanishingly small circuits, but generates power ...
Nanophysics
Oct 17, 2007
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Microbes and humans interact in myriad ways, sharing a long history. Many of the most successful microbes are those that inhabit but do not kill their host. Cheaters lose. Tuberculosis settles into the lungs. Helicobacter ...
Mathematics
Oct 17, 2007
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Changes in the expression of genes may be the reason why people who abuse inhalants, such as spray paint or glue, quickly develop a tolerance, biologists at The University of Texas at Austin have discovered.
Oct 17, 2007
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Forest fires and other blazes in the United States likely release about 30 percent as much mercury as the nation's industrial sources, according to initial estimates in a new study by scientists at the National Center for ...
Environment
Oct 17, 2007
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Cashew nut fossils have been identified in 47-million year old lake sediment in Germany, revealing that the cashew genus Anacardium was once distributed in Europe, remote from its modern “native” distribution in Central ...
Oct 17, 2007
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Researchers from Kent State University and the University of Bucharest, Romania, have discovered a new primitive crab species Cycloprosopon dobrogea in eastern Romania. Previously unexamined, these ancient crabs from the ...
Archaeology
Oct 17, 2007
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