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Cave Rocks Record Ancient Weather

December 9, 2011 3:47 am | News | Comments

A researcher harvested two stalagmites—one 4,000 years old, the other 25,000 years old—from a cave to analyze them for isotopic and trace element variations in an effort to build a 4,000-year paleo-rainfall record.

Future Droughts Predicted by Past

December 9, 2011 3:42 am | News | Comments

Scientists have unearthed new evidence about ancient dry spells that suggest the future could bring even more serious water shortages.

Scientists Closing in on Mystery of Healthy Hot Dogs

December 9, 2011 3:39 am | News | Comments

Scientists are reporting an advance in solving the mystery of why hot dogs develop an unpleasant tough texture when vegetable oils pinch hit for animal fat.


Colors Reveal Vesta's Composition

December 9, 2011 3:34 am | News | Comments

Vesta appears in a splendid rainbow-colored palette in new images obtained by the Dawn spacecraft. The colors, assigned by scientists to show different rock or mineral types, reveal Vesta to be a world of many varied, well-separated layers and ingredients.

Chemists Construct Molecular Traps for Nanomaterials

December 9, 2011 3:30 am | News | Comments

Using clever but elegant design, chemists have synthesized tiny, molecular cages that can be used to capture and purify nanomaterials.

From Epithelia To Epigenetic Inheritance

December 8, 2011 7:51 am | News | Comments

In this month's Cell Podcast, we learn about why structural biologists need no longer fear the membrane, with Doug Rees (Tirado-Lee et al. and Special Reviews Collection) (0:00), why...

Sensor Trumps GPS When Finding Firefighters

December 8, 2011 4:06 am | Videos | Comments

A team is developing a portable device to locate people in dangerous situations. It incorporates all signals of opportunity, such as GPS and WiFi. It also incorporates RF signals.

Tropical Temperature Impacts Ice in Antarctica

December 8, 2011 4:00 am | Videos | Comments

Accelerated melting of two outlet glaciers that drain Antarctic ice into the Amundsen Sea Embayment is likely the result of an increase in temperatures in the tropical Pacific Ocean.


Genome Wild Card Plays Key Role

December 8, 2011 3:56 am | News | Comments

The human genome and the endowments of genes in other animals and plants are like a deck of poker cards containing a “wild card” that in a genetic sense introduces an element of variety and surprise that has a key role in life.

Glass Fiber Enables Detection of Atoms

December 8, 2011 3:52 am | News | Comments

Specially prepared light waves interact with very small numbers of atoms in ultra-thin fiber glass, which makes it possible to build detectors that are extremely sensitive to tiny trace amounts of a substance.

Evolution Limits Cognition Purposefully

December 8, 2011 3:46 am | News | Comments

A paper warns that there are limits on how smart humans can get, and any increases in thinking ability are likely to come with problems.

Insect Incest Produces Healthy Offspring

December 8, 2011 3:39 am | News | Comments

Bedbugs are able to inbreed with close relatives and still produce generally healthy offspring. This means that if just a few bedbugs survive in a building after treatment, they repopulate quickly.

Chemists Find Best Configurations for 3D Shapes

December 8, 2011 3:35 am | News | Comments

Researchers have found optimal configurations for creating 3D geometric shapes which may lead to advances from drug-delivery containers to 3D sensors and electronic circuits.

Scientist of the Week: Paul Loprinzi

December 8, 2011 3:29 am | by Lily Barback, Associate Editor | News | Comments

Paul Loprinzi from Bellarmine Univ. studied how sleep and exercise interact and impact health and to see if exercise could be used as a way to help improve sleep patterns.


Closely Packed Nanowires Up Voltage by 25%

December 8, 2011 3:26 am | News | Comments

Unexpected voltage increases of up to 25 percent in two barely separated nanowires have been observed by researchers.


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