Clovis-age natives, often noted for overhunting during their brief dominance in a primitive North America, deserve clemency in the case of California's flightless sea duck. New evidence says it took thousands of years for ...
Mar 17, 2008
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Economists usually treat time like money – as another scarce resource that people spend to achieve certain ends. Money is used to pay for things like furniture and plane tickets; time is spent assembling the do-it-yourself ...
Other
Mar 17, 2008
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Scientists have known for more than a decade that a protein associated with the HIV virus is good at crossing cell membranes, but they didn’t know how it worked. A multidisciplinary team from the University of Illinois ...
Mar 17, 2008
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Viruses and bacterial viruses (known as phages) are among the most abundant life forms on the planet. Two papers published recently in Nature, March 2 and 12, 2008, analyse the geographical distribution of viral communities ...
Mar 17, 2008
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In a finding likely to get cheese lovers talking, researchers in Nepal and Canada report that yak cheese contains higher levels of heart-healthy fats than cheese from dairy cattle, and may be healthier. Their study is scheduled ...
Mar 17, 2008
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Their gentle nature, large size, odd sounds and low-maintenance care have made Madagascar hissing cockroaches popular educational tools and pets for years. But the giant insects also have one unfortunate characteristic: Their ...
Mar 17, 2008
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Patterns of scalloped-edged cliffs or lobate scarps on Mercury’s surface are thrust faults that are consistent with the planet shrinking and cooling with time. However, compression occurred in the planet’s early history ...
Space Exploration
Mar 17, 2008
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Ohio State University engineers are developing a technology to coat jet engine turbine blades with zirconium dioxide -- commonly called zirconia, the stuff of synthetic diamonds -- to combat high-temperature corrosion.
Condensed Matter
Mar 17, 2008
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A new global portrait taken from space details Earth’s land cover with a resolution never before obtained. ESA, in partnership with the UN Food and Agriculture Organisation, presented the preliminary version of the map ...
Earth Sciences
Mar 17, 2008
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According to researchers at the Monell Center, fruit flies are more like humans in their responses to many sweet tastes than are almost any other species.
Mar 17, 2008
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