Creatures of influence New model identifies critical species in food webs and social networks In the children's game "Jenga", removing the wrong block from a tower of wooden blocks can cause the entire tower to collapse. In the same way, removing certain ...

Experts recommend universal diabetes testing for pregnant women at first prenatal visit Endocrine Society publishes Clinical Practice Guideline on diabetes and pregnancy Chevy Chase, MD—The Endocrine Society today issued a Clinical Practice Guideline (CPG) ...

Study links intestinal bacteria to rheumatoid arthritis Findings suggest bacterial disturbances in the gut may play a role in autoimmune attacks on the joints, point the way to novel treatments and diagnostics Researchers ...

Exercise program in senior centers helps reduce pain and improve mobility of participants Hospital for Special Surgery study shows program helps reduce arthritis pain for Asian seniors Experts say it's never too late to reap the benefits of exercise, and a program ...

Staying alive in the high and dry How plants in arid lands gain nutrients to survive WOODS HOLE, MA—The vast sagebrush landscapes of the western United States are one of the largest ecosystems in North America. Long, cold winters and hot, dry summers characterize ...

November story tips from Oak Ridge National Laboratory ENGINES – Miniature maximization . . . Improving efficiency and performance of tiny engines like those used in remote-controlled planes is the focus of a report that may thrust the technology into this ...

Temple researchers uncover clues to how existing heart drugs work Discovery raises prospects for new therapies (Philadelphia, PA) – Some of the most commonly prescribed drugs for the treatment of heart failure are beta-blockers and nitrates, which ...

Researchers find black hole in globular cluster Last year when researchers discovered two black holes in a globular cluster, they weren't sure if their presence was a common occurrence or a unique stroke of luck Last year when a team of astronomers led by a Michigan ...

Breakthrough by Temple researchers could lead to new treatment for heart attack (Philadelphia, PA) – The stop and start of blood flow to the heart during and after a heart attack causes severe damage to heart cells, reducing their capacity to function ...

Calculating the risk: Child sexual assault Affluent girls residing in two-parent homes are much less likely to be sexually assaulted than other female youth, according to a new study from the University of Iowa. The research revealed that when family income reaches 400 ...

Effects of chronic stress can be traced to your genes Researchers find similar stress response characteristics in mice and humans COLUMBUS, Ohio – New research shows that chronic stress changes gene activity in immune cells before they reach the bloodstream. With ...

Bringing out the best in X-ray crystallography data "Function follows form" might have been written to describe proteins, as the M. C. Escher-esque folds and twists of nature's workhorse biomolecules enables each to carry out its specific responsibilities. ...

Pitt Public Health analysis challenges assumptions about bisexual men and HIV transmission BOSTON, Nov. 6, 2013 – The number of HIV positive men who have sex with both men and women is likely no higher than the number of HIV positive ...

Ditty bag of condoms, home-use instructions lead to improved comfort and consistency with condom use BOSTON -- A new and successful strategy for combating the spread of sexually transmitted diseases such as HIV draws from an old idea: Practice is fundamental to learning, ...

Conversations between lovers about STIs are important in theory but difficult in bed BOSTON -- Having sex can be fun; and talking about sex can be fun. Talking about sexually transmitted infections with a sexual interest, however, is a totally different matter, according to ...

Transgender controversies can lead to 'gender panic,' study finds Transgender controversies can lead to 'gender panic,' study finds When New York City moved in 2006 to make it easier for transgender people to revise the gender on their birth certificates, the proposal ...

Researchers unmask centuries-old elephant imposter Through state-of-the-art ancient DNA and protein research and an extensive investigation of historical literature, researchers have determined a 300-year-old type specimen ...

Do you want the good news or the bad news first? UC Riverside researchers find that where positive information comes in a bad-news conversation can influence outcomes RIVERSIDE, Calif. — There's good news and there's bad news. Which do you want to ...

Positive results for non surgical heart valve replacement MAYWOOD, Il. – Loyola University Medical Center is the only Chicago hospital participating in a landmark clinical trial of an artificial aortic heart valve that does not require open heart surgery. First ...

Acupuncture effects on neuropathic pain: A study on signal pathways Peripheral or central nerve injury often leads to neuropathic pain, a chronic condition that can manifest behaviorally as spontaneous pain, hyperalgesia and allodynia, and which also results in neurological ...

Brain structure in post-traumatic stress disorder Wars, earthquakes, major traffic accidents, and terrorist attacks may bring about profound spiritual pains, and even cause extreme fear and helplessness for people that have experienced or witnessed these unusual ...

Treadmill step training promotes motor function after incomplete spinal cord injury A large body of evidence shows that spinal circuits are significantly affected by training, and that intrinsic circuits that drive locomotor tasks are located in lumbosacral spinal ...

Scientists use light to uncover the cause of sickle cell disease In sickle cell disease, hemoglobin—the oxygen-carrying component of blood—forms fibers that stiffen red blood cells and cause life-threatening symptoms. Using light-scattering techniques to study the detailed ...

New findings could overcome major stumbling blocks to tissue cryopreservation for medical care

The oldest ice core Finding a 1.5 million-year record of Earth's climate How far into the past can ice-core records go? Scientists have now identified regions in Antarctica they say could store information about Earth's climate and greenhouse gases extending as ...