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duck

Researchers reveal secrets of duck sex: It's all screwed up

Biology / Plants & Animals

created Dec 23, 2009 | popularity 3.7 / 5 (9) | comments 0

Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...


Part 1: From Linacs to Lasers: Accelerators and Light Sources of Tomorrow

Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)

Physics / General Physics

created Dec 22, 2009 | popularity 4.6 / 5 (5) | comments 2

From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...


Surgery recognized as effective treatment for type 2 diabetes

Medicine & Health / Other

created Dec 22, 2009 | popularity 4.7 / 5 (3) | comments 0

A first-of-its-kind consensus statement by 50 medical experts from around the world has pronounced surgery to be a legitimate and effective treatment for type 2 diabetes, bringing the procedure a significant step closer to ...


Digital quantum battery

Digital Quantum Battery Could Boost Energy Density Tenfold

Physics / Quantum Physics

created Dec 22, 2009 | popularity 4.9 / 5 (31) | comments 13

(PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to ...


Making New Enzymes to Engineer Plants for Biofuel Production

Making New Enzymes to Engineer Plants for Biofuel Production

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Brookhaven scientists have created a new enzyme with the potential to interfere with a key cell-wall component in plants, possibly leading to plants that are easier to "digest" and convert ...



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