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It's Been Another Record Year For Agriculture - When Do Climate Change Forecasts Come True?

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Climate Change Made The Sahara Green - Then Took It Away Again

From 5,000 to 11,000 years ago, what is now the Sahara Desert had 10X the rainfall it does today...

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Many viruses face a choice after they have infected their hosts: to replicate quickly, killing...

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Earth's radiation belts, called Van Allen belts, were discovered after the very first launches of satellites in 1958 by James Van Allen. Subsequent missions have observed parts of the belts but what causes such dynamic variation in the belts has remained something of a mystery. Seemingly similar storms from the sun have at times caused completely different effects in the belts, or have sometimes led to no change at all.

Researchers usingt the Green Bank Telescope (GBT) in West Virginia say they have discovered an important pair of prebiotic molecules in interstellar space. The discoveries indicate that some basic chemicals that are key steps on the way to life may have formed on dusty ice grains floating between the stars.

Researchers have electronically linked the brains of pairs of rats, enabling them to communicate directly to solve simple behavioral puzzles - even thousands of miles apart, one in Durham, N.C., and one in Natal, Brazil.

The results of these projects suggest the future potential for linking multiple brains to form what the research team is calling an "organic computer," which could allow sharing of motor and sensory information among groups of animals. 

Light from two massive stars that exploded hundreds of millions of years ago recently reached Earth, and each event was identified as a supernova. A supernova discovered Feb. 6th exploded about 450 million years ago while the second, discovered Nov. 20th, 2012, exploded about 230 million years ago.

For a government that likes military action but not losing American lives, drones are the next big thing.   Drones have been, and will continue to be, used in more and more applications outside the military, including citizen surveillance and natural disaster research. 

But military spending is what is driving optimization and the U.S. Department of Defense reports that drone accidents happen 50 times more often than mishaps involving human-operated aircraft. The U.S. Army and U.S. Marine Corps reported 43 mishaps that involved human factors issues associated with drone ground control workstations and technology during the years 2006 and 2007. 

Chronic or acute liver failure can be deadly. Toxins take over, the skin turns yellow and higher brain function slows. A line of special liver cells could change that, says Neil Talbot, a Research Animal Scientist for the USDA Agricultural Research Service, in an interview with the American Society of Animal Science.