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The Lead

Enzymes Help Fix Cancer-causing DNA Defects

April 23, 2014 | by Purdue Univ. | Comments

Researchers have identified an important enzyme pathway that helps prevent new cells from receiving too many or too few chromosomes, a condition that has been directly linked to cancer and other diseases.

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Big Data Approach IDs New Mammalian Clock Gene

April 23, 2014 7:00 am | by Perelman School of Medicine at the Univ. of Pennsylvania | Comments

To accelerate clock-gene discovery, investigators are using a computer-assisted approach to identify and rank candidate clock components. The approach found a new core clock gene.


Space Observatory Spies Rare Pair of Black Holes

April 23, 2014 7:00 am | by European Space Agency | Comments

A pair of supermassive black holes in orbit around one another have been spotted by the X-ray Multi-Mirror Mission. This is the first time such a pair have been seen in an ordinary galaxy. They were discovered because they ripped apart a star when the space observatory happened to be looking in their direction.


Graphene, Nanotubes Pair for Ultracapacitors

April 23, 2014 7:00 am | by American Institute of Physics | Comments

By combining the powers of two single-atom-thick carbon structures, researchers have created a new ultracapacitor that is both high performance and low cost. The device capitalizes on the synergy brought by mixing graphene flakes with single-walled carbon nanotubes, two carbon nanostructures with complementary properties.


‘Nanoreporters’ Gather Intel on Oil Prior to Pumping

April 23, 2014 7:00 am | by Rice Univ. | Comments

Scientists have created a nanoscale detector that checks for and reports on the presence of hydrogen sulfide in crude oil and natural gas while they’re still in the ground.


People More Aware of Upper Half of Field of Vision

April 23, 2014 7:00 am | by North Carolina State Univ. | Comments

A new study has found that people pay more attention to the upper half of their field of vision. This discovery could have ramifications for everything from traffic signs to software interface design.


Mineral Highlights Nature's Infinite Variability

April 23, 2014 7:00 am | by Univ. of Adelaide | Comments

A mineralogy researcher has discovered a new mineral that is unique in structure and composition among the world's 4,000 known mineral species.


Old Tires Help Make New, Improved Roads

April 22, 2014 12:00 pm | by NSF | Comments

A scientist is experimenting with "crumb" rubber— ground up tires of different-sized particles— to improve the rubberized road materials that a number of states are already using to enhance aging asphalt.


Predicting Your Behavior Makes You Greener

April 22, 2014 12:00 pm | by Concordia Univ. | Comments

Just asking ourselves whether we will engage in sustainable shopping behavior can increase the likelihood of following through— especially when there's an audience.


MRI Sensor May Help Diagnose, Fight Cancer

April 22, 2014 12:00 pm | by MIT, Anne Trafton | Comments

An injectable sensor that enables long-term monitoring of oxygen levels could aid cancer diagnosis and treatment. Using this kind of sensor, doctors may be able to better determine radiation doses and monitor whether treatments are having the desired effect.


Google Sets Challenge for Nonprofits

April 22, 2014 12:00 pm | by Associated Press, Brett Zongker | Comments

Google has a challenge for U.S. nonprofits. The tech giant is asking nonprofit groups to propose ideas for how to use the Web-connected eyewear Google Glass in their work.


Plan Would Speed Approval of Medical Devices

April 22, 2014 12:00 pm | by Associated Press | Comments

The FDA has unveiled a proposal designed to speed up development and approval of medical devices that treat life-threatening diseases and debilitating conditions.


Narrowing of Neck Artery May Signal Memory, Thinking Decline

April 22, 2014 12:00 pm | by American Academy of Neurology | Comments

For the first time, researchers have demonstrated that narrowing of the carotid artery in the neck without any symptoms may be linked to problems in learning, memory, thinking and decision-making.


Researcher Takes Step Toward Nanoscale Electronics

April 22, 2014 12:00 pm | by Univ. of Rochester | Comments

Scientists are facing a number of barriers as they try to develop circuits that are microscopic in size, including how to reliably control the current that flows through a circuit that is the width of a single molecule. Now, an assistant professor of chemical engineering has done just that, thereby taking us one step closer to nanoscale circuitry.


LED Light May Aid Skin

April 22, 2014 12:00 pm | by Stony Brook Univ. | Comments

LEDs have the potential to be used for both indoor lighting applications and in wound healing therapy, taking the place of lasers, according to research.


Team Improves Understanding of Valley-wide Stream Chemistry

April 22, 2014 7:00 am | by Virginia Tech | Comments

A geostatistical approach for studying environmental conditions in stream networks and landscapes has been successfully applied at a valley-wide scale to assess headwater stream chemistry at high resolution, revealing unexpected patterns in natural chemical components.



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