One enzyme regulates the body's insulin receptor, ensuring energy needed for function and survival. The other enables a bacterium to wreak havoc in the form of bubonic plague.
Biochemistry
Aug 22, 2013
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Kenya sentenced a Chinese ivory smuggler to two and a half years in prison Thursday in a landmark ruling hailed as sending a powerful warning to poachers and smugglers.
Ecology
Aug 22, 2013
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Britain has launched a criminal investigation into Edward Snowden's leak of classified material to the Guardian newspaper and is sifting through documents it seized from the partner of one of the paper's journalists, a government ...
Internet
Aug 22, 2013
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Cells are very good at protecting their precious contents—and as a result, it's very difficult to penetrate their membrane walls to deliver drugs, nutrients or biosensors without damaging or destroying the cell. One effective ...
Bio & Medicine
Aug 22, 2013
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Arsenic-laden groundwater used for cooking and drinking could pose a risk to the health of almost 20 million people across China. This is shown by a study carried out by Eawag scientists in collaboration with Chinese colleagues ...
Environment
Aug 22, 2013
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A pair of experimental atomic clocks based on ytterbium atoms at the National Institute of Standards and Technology (NIST) has set a new record for stability. The clocks act like 21st-century pendulums or metronomes that ...
General Physics
Aug 22, 2013
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An often-overlooked form of manganese, an element critical to many life processes, is far more prevalent in ocean environments than previously known, according to a study led by University of Delaware researchers that was ...
Earth Sciences
Aug 22, 2013
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(Phys.org) —Astronomers have assembled, from more than 13 years of observations from NASA's Hubble Space Telescope, a series of time-lapse movies showing a jet of superheated gas—5,000 light-years long—as it is ejected ...
Astronomy
Aug 22, 2013
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Explorers who removed a wooden slab from Lake Michigan this summer are taking an unusual step to determine whether it could have come from the Griffin, a long-lost vessel from the 17th century.
Archaeology
Aug 22, 2013
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Findings from a University of Alberta researcher shed new light on what may be stopping people from recycling more.
Environment
Aug 22, 2013
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