A University of Florida-led study has determined that Titanis walleri, a prehistoric 7-foot-tall flightless "terror bird," arrived in North America from South America long before a land bridge connected the two continents.
Archaeology
Jan 23, 2007
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In a breakthrough that could make fuel cells practical for such small machines as lawnmowers and chainsaws, researchers have developed a new mechanism to efficiently control hydrogen fuel cell power.
Jan 23, 2007
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Researchers at the Centre for Material Development and Structural Studies in Toulouse (CEMES-CNRS) and their colleagues at the Free University of Berlin have, for the first time, managed to control the rotation of a wheel ...
Nanophysics
Jan 23, 2007
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Dartmouth researchers have learned that the prevailing winds in the mid latitudes of North America, which now blow from the west, once blew from the east. They reached this conclusion by analyzing 14,000- to 30,000-year-old ...
Earth Sciences
Jan 23, 2007
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“Entanglement is a main part of quantum mechanics, and it is important to obtain a high degree of it in physical systems,” Lucas Lamata tells PhysOrg.com. Lucas Lamata is a scientist with the Institute for Fundamental ...
How DNA replicates is a critical question for understanding life. DNA replication remains difficult to investigate in eukaryotes,where it occurs within the confines of the double-membrane nucleus.
Jan 23, 2007
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A decade ago, Shuhai Xiao, associate professor of geosciences at Virginia Tech, and his colleagues discovered thousands of 600-million-year-old embryo microfossils in the Doushantuo Formation, a fossil site near Weng'an, ...
Archaeology
Jan 23, 2007
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A field of spring wildflowers, abuzz with busy insects seeking nectar and spreading pollen, may look like a perfect model of random interaction. But ecologists have discovered order within this anarchy. For instance, as the ...
Jan 23, 2007
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More and more, conventional inorganic semiconductor electronics are being complemented with organic components. For example, flexible displays, large illuminated displays, or flat-panel displays can be made from organic light-emitting ...
Jan 23, 2007
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