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Miscounting bioenergy benefits may increase greenhouse gas release

October 22, 2009

EAST LANSING, Mich. -- A fixable error in the way carbon is counted in current U.S. climate legislation and in the Kyoto Protocol could undermine efforts to reduce greenhouse gas emissions by using biofuels, says a premier group of national environmental and land use scientists.

Checkered history of mother and daughter cells explains cell cycle differences

October 19, 2009

When mother and daughter cells are created each time a cell divides, they are not exactly alike. They have the same set of genes, but differ in the way they regulate them. New research now reveals that these regulatory differences between mother and daughter cells are directly linked to how they prepare for their next split.

Like humans, monkeys fall into the 'uncanny valley'

October 13, 2009

Princeton University researchers have come up with a new twist on the mysterious visual phenomenon experienced by humans known as the "uncanny valley." The scientists have found that monkeys sense it too.

Tropical regions to be hardest hit by fisheries shifts caused by climate change: UBC research

October 8, 2009

Major shifts in fisheries distribution due to climate change will affect food security in tropical regions most adversely, according to a study led by the Sea Around Us Project at The University of British Columbia.

Vanderbilt astronomers participate in new search for dark energy

October 1, 2009

NASHVILLE, Tenn. -- The most ambitious attempt yet to trace the history of the universe has seen "first light." The Baryon Oscillation Spectroscopic Survey (BOSS), part of the Sloan Digital Sky Survey III (SDSS-III), took its first astronomical data on the night of Sept. 14-15 at the Sloan Foundation telescope in New Mexico.

First light for BOSS -- a new kind of search for dark energy

October 1, 2009

Berkeley, CA - BOSS, the Baryon Oscillation Spectroscopic Survey, is the most ambitious attempt yet to map the expansion history of the Universe using the technique known as baryon acoustic oscillation (BAO).

A flash of light turns graphene into a biosensor

September 22, 2009

Biomedical researchers suspect graphene, a novel nanomaterial made of sheets of single carbon atoms, would be useful in a variety of applications. But no one had studied the interaction between graphene and DNA, the building block of all living things. To learn more, PNNL's Zhiwen Tang, Yuehe Lin and colleagues from both PNNL and Princeton University built nanostructures of graphene and DNA.

Negative public opinion an early warning signal for terrorism, Princeton professor says

September 17, 2009

An analysis of public opinion polls and terrorist activity in 143 pairs of countries has shown for the first time that when people in one country hold negative views toward the leadership and policies of another, terrorist acts are more likely to be carried out.

NJIT expert on market failure says letting Lehman go was good thing

September 10, 2009

Approaching the anniversary of Lehman Brothers' demise, NJIT Finance Professor Michael Ehrlich, an expert on market failure, says that the Feds made the right move when they allowed the investment firm to go bankrupt.

Denitrification, its importance once diluted, may be back on top, Princeton-led team says

September 2, 2009

After more than a decade of inquiry, a Princeton-led team of scientists has turned the tables on a long-standing controversy to re-establish an old truth about nitrogen mixing in the oceans.

Princeton pair sets world record in packing puzzle

August 12, 2009

PRINCETON, N.J. -- Finding the best way to pack the greatest quantity of a specifically shaped object into a confined space may sound simple, yet it consistently has led to deep mathematical concepts and practical applications, such as improved computer security codes.

Computer scientists take over electronic voting machine with new programming technique

August 10, 2009

Computer scientists demonstrated that criminals could hack an electronic voting machine and steal votes using a malicious programming approach that had not been invented when the voting machine was designed.

Scientists find universal rules for food-web stability

August 6, 2009

The findings, published in this week's issue of Science, conclude that food-web stability is enhanced when many diverse predator-prey links connect high and intermediate trophic levels.

Astronomers discover stars in early galaxies had a need for speed

August 6, 2009

New Haven, Conn. -- A team of astronomers has measured the motions of stars in a very distant galaxy for the first time and discovered they are whizzing around at astonishingly high speeds -- about one million miles per hour, or twice the speed at which the Sun circles our own Milky Way galaxy.

Communication breakdown: New strategy may be valid alternative to traditional antibiotics

July 30, 2009

Certainly there is strength in numbers, but only if those numbers can effectively communicate with one another. Now, a new study finds that administration of a novel small molecule which effectively disrupts a key bacterial communication process protects an animal host from infection.



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