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Physics & Astronomy

NASA's Swift Finds a Gamma-Ray Burst With a Dual Personality

Gamma-ray bursts (GRBs) are the universe's most luminous explosions, emitting more energy in a few seconds than our sun will during its entire energy-producing…

Earth Sciences

Texas Drought Revealed in New National Groundwater Maps

The latest groundwater map, released on Nov. 29, shows large patches of maroon over eastern Texas, indicating severely depressed groundwater levels. The maps,…

Agricultural & Forestry Science

Radiation Sterilization: A New Approach to Insect Pest Control

The light brown apple moth, Epiphyas postvittana (Walker), feeds on apples, pears, stonefruits, citrus, grapes, berries and many other plants. A native of…

Earth Sciences

Magnetic Pole Reversal: A Continuous Geologic Process

In other words, if you were alive about 800,000 years ago, and facing what we call north with a magnetic compass in your hand, the needle would point to…

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Studies and Analyses

Study Reveals Multitasking Struggles of Working Moms vs. Dads

“Gender differences in multitasking are not only a matter of quantity but, more importantly, quality,” said Shira Offer, the lead author of the study and an…

Studies and Analyses

Health Gap Grows Among Young U.S. Adults, Study Reveals

The study also found that health disparity tends to increase as people move into middle age, before declining as people reach old age.These two results suggest…

Health & Medicine

New TB Vaccine Enters Phase I Clinical Trial Testing

Statens Serum Institut and Aeras today announce the initiation of the first Phase I clinical trial of a new candidate TB vaccine designed to protect people…

Studies and Analyses

Food served in children's hospitals rated largely unhealthy

Researchers from UCLA and the RAND Corporation assessed 14 food venues at the state's 12 major children's hospitals and found there was a lot of room for…

Life & Chemistry

Lighting the way to understanding the brain

In a scientific first that potentially could shed new light on how signals travel in the brain, how learning alters neural pathways, and might lead to speedier…

Health & Medicine

Opioid Use for Abdominal Pain Soars: What You Should Know

Chronic abdominal pain is a common symptom and a frequent reason for health-care visits. Because it is often incurable, clinicians often find it challenging to…

Environmental Conservation

Genetic Trait Discovery Could Transform Rainbow Trout Fisheries

Two distinct populations of rainbow trout — one in Alaska, the other in Idaho — share a genetic trait that could have huge implications for fisheries…

Life & Chemistry

Gene Linked to Herpes-Related Cold Sores Uncovered

The findings were published in the Dec. 1, 2011, issue of the Journal of Infectious Diseases. Herpes simplex labialis (HSL) is an infection caused by herpes…

Life & Chemistry

Graphene Sparks New Opportunities in Organic Chemistry

The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine…

Earth Sciences

Fast Jet Stream Winds: Limited Potential for Renewable Energy

Taking into account that the high wind speeds result from the near absence of friction and not from a strong power source, Axel Kleidon and colleagues found…

Life & Chemistry

Scientists Engineer Blood Stem Cells to Seek out and Attack Melanoma

Done in mouse models, the study serves as first proof-of-principle that blood stem cells, which make every cell type found in blood, can be genetically altered…

Life & Chemistry

Splice Now or Splice Later

Proteins are made from genetic material called ribonucleic acid, or RNA. Each piece of RNA is made up of alternating stretches of useful and useless genetic…

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