First cost-benefit analysis of DNA profiling vindicates 'CSI' fans
The first rigorous analysis of the crime-fighting power of DNA profiling finds substantial evidence of its effectiveness.
Jan 11, 2013
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Jan 11, 2013
5 / 5 (1)
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Virus caught in the act of infecting a cell (w/ video)
The detailed changes in the structure of a virus as it infects an E. coli bacterium have been observed for the first time, report researchers from The University of Texas at Austin and The University of Texas Health Scienc ...
Jan 10, 2013
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Astronomers find massive supply of fresh gas around modern galaxies
(Phys.org)—Galaxies have a voracious appetite for fuel—in this case fresh gas, but astronomers have had difficulty finding the pristine gas that should be falling onto galaxies. Now scientists have provided ...
Jan 10, 2013
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How do you know if you ran through a wall? Testing the nature of dark energy and dark matter
(Phys.org)—Researchers from Canada, California, and Poland have devised a straightforward way to test an intriguing idea about the nature of dark energy and dark matter. A global array of atomic magnetometers ...
Jan 07, 2013
3.8 / 5 (12)
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Best evidence yet that dinosaurs used feathers for courtship
A University of Alberta researcher's examination of fossilized dinosaur tail bones has led to a breakthrough finding: some feathered dinosaurs used tail plumage to attract mates, much like modern-day peacocks and turkeys.
Jan 04, 2013
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Big brains are pricey, guppy study shows
Bigger brains can make animals, well, brainier, but that boost in brain size and ability comes at a price. That's according to new evidence reported on January 3rd in Current Biology, in which researchers artifi ...
Jan 03, 2013
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Average voter is unable to accurately assess politicians, new research shows
(Phys.org)—A new study has thrown doubt on the ability of the average voter to make an accurate judgement of the performance of their politicians, showing that voter biases appear to be deep-seated and broad.
Dec 24, 2012
4.8 / 5 (22)
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Expert weighs in on Mayan calendar cycle
(Phys.org)—December 21, 2012 is not the end of the world. Even the ancient Maya themselves did not think so.
Dec 20, 2012
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Ozone levels have sizeable impact on worker productivity
Researchers in the Department of Health Policy and Management at Columbia's Mailman School of Public Health assessed the impact of pollution on agricultural worker productivity using daily variations in ozone levels. Their ...
Dec 18, 2012
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Are jurors influenced by special courtroom measures?
Alleged adult rape victims are not disadvantaged in court if they choose to give evidence behind protective screens or via video links, according to new research.
Dec 11, 2012
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A rather thin and long new snake crawls out of one of Earth's biodiversity hotspots
Field and laboratory work by a group of zoologists led by Omar Torres-Carvajal from Museo de Zoología QCAZ, Pontificia Universidad Católica del Ecuador, has resulted in the discovery of a new species of ...
Nov 27, 2012
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DNA sleuth hunts wine roots in Anatolia
Early birds had an old-school version of wings
In comparison to modern birds, the prehistoric Archaeopteryx and bird-like dinosaurs before them had a more primitive version of a wing. The findings, reported on November 21 in Current Biology, lend support ...
Nov 21, 2012
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Fossil evidence supports developmental model for the origin of the jaw
The invention of the jaw is the most profound and radical evolutionary step in the vertebrate history. However, the sequence leading to the evolutionary origin of the jaw is still unclear largely due to the ...
Nov 14, 2012
5 / 5 (2)
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Climate change had political, human impact on ancient Maya
(Phys.org)—An international team of archaeologists and earth science researchers has compiled a precisely dated, high-resolution climate record of 2,000 years that shows how Maya political systems developed ...
Nov 08, 2012
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