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Environmental Conservation

Climate Changes Faster than Species Can Adapt

The study, which focuses on North American rattlesnakes, finds that the rate of future change in suitable habitat will be two to three orders of magnitude…

Life & Chemistry

Study Reveals How Cells Remove Bits of RNA from DNA Strands

A new study provides a mechanistic explanation of how ribonucleotides embedded in genomic DNA are recognized and removed from cells. Two mechanisms, enzymes…

Life & Chemistry

Scientists Rediscover Rarest Bumblebee in the U.S.

A team of scientists from the University of California, Riverside recently rediscovered the rarest species of bumblebee in the United States, last seen in…

Studies and Analyses

Headaches After TBI: Study Highlights Risks for Teens and Girls

More than half a million children in the U.S. sustain a traumatic brain injury (TBI) every year. Adults who suffer TBI often report headaches afterward, but…

Life & Chemistry

Chemists Create Molecular Cages for Nanomaterial Purification

Using clever but elegant design, University at Buffalo chemists have synthesized tiny, molecular cages that can be used to capture and purify nanomaterials.Sculpted from a special kind of molecule called a “bottle-brush molecule,” the traps consist of tiny, organic tubes whose interior walls carry a negative charge. This feature enables the tubes to selectively encapsulate only positively charged particles….

Earth Sciences

Global winds could explain record rains, tornadoes

Both events seem to be linked to a relatively rare coupling between the polar and the subtropical jet streams, says Jonathan Martin, a University of…

Environmental Conservation

Marine Predators Face Decline Due to Overfishing Trends

In half of the North Atlantic and North Pacific waters under national jurisdiction, fishing has led to a 90-per-cent decrease in top predators since the 1950s,…

Life & Chemistry

'Label-free' imaging tool tracks nanotubes in cells, blood for biomedical research

The structures have potential applications in drug delivery to treat diseases and imaging for cancer research. Two types of nanotubes are created in the…

Agricultural & Forestry Science

Texas Tomato Growers Discover New Variety to Combat Whiteflies

A 10-year battle against the insect all but wiped out the tomato industry in Texas, but the new tomato already is encouraging small processors to stay in…

Studies and Analyses

Improving Memory Accuracy: Eye Movements Reveal Secrets

Is there a way to get a more accurate reading of memory? A new study says yes. “Eye movements are drawn quickly to remembered objects,” says Deborah Hannula, …

Earth Sciences

Ancient Drought Insights: Lessons for Future Water Challenges

Pre-Columbian Collapse Ben Cook, a climatologist affiliated with NASA's Goddard Institute for Space Studies (GISS) and Columbia University's Lamont-Doherty…

Earth Sciences

NASA Observes First Tropical Storm of Southern Indian Ocean

Tropical Cyclone 01S (TC01S) formed today December 5, 2011. TC01S has maximum sustained winds near 55 knots (63 mph/102 kmh) and is rapidly consolidating and…

Earth Sciences

'Double tsunami' doubled Japan destruction

Satellites captured not just one wave front that day, but at least two, which merged to form a single double-high wave far out at sea – one capable of…

Health & Medicine

New Study Highlights Laquinimod’s Neuroprotection for MS

Laquinimod is an orally available synthetic compound that has been successfully evaluated in phase II/III clinical studies for the treatment of…

Studies and Analyses

Preemie Impact: Memory and Attention Issues in Adulthood

“Our study shows that moving from viewing time at the office as a sign of productivity, to emphasizing actual results can create a work environment that…

Studies and Analyses

Urban Transport Security: Insights From Ola Svenonius

This is a question raised by the political scientist Ola Svenonius in his dissertation on security and surveillance in urban transport. He sees radical changes…

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