Science News
Scientists use lasers to simulate shock effects of meteorite impact on silica
Phys.org - 15 Sep 2015 14:42
Scientists used high-power laser beams at the Department of Energy's SLAC National Accelerator Laboratory to simulate the shock effects of a meteorite impact in silica, one of the most abundant materials in the Earth's c...
Leaf-Eating Caterpillars Use Their Poop to Trick Plants
Live Science - 15 Sep 2015 12:53
Caterpillars that munch on corn leaves have developed a clever way to get the most nutrients from their meals: They use their poop to trick the plants into lowering their defenses.
Drone Aircraft Searched for Katrina Survivors Wreckage | Video
Live Science - 15 Sep 2015 22:40
An unmanned aerial vehicle operated by Safety Security Rescue Research Center (SSRRC) team members captured this image of devastation in Pearlington, Miss., during a search for survivors of Hurricane Katrina.
Diet, exercise, smoking habits and genes interact to affect AMD risk
Science Daily - 15 Sep 2015 22:25
People with a genetic predisposition for age-related macular degeneration significantly increased their odds of developing the blinding eye disorder if they had a history of heavy smoking and consistently did not exercis...
Electronic reminders keep TB patients on track with medication in China
Science Daily - 15 Sep 2015 22:25
Giving electronic reminders to tuberculosis patients in China can reduce the amount of medication doses they miss by half, according to new research.
Cohort study explores association between SSRI use and violent crime
Science Daily - 15 Sep 2015 22:24
Selective serotonin reuptake inhibitor (SSRI) use is modestly associated with violent crime, according to a new study. The study showed in subgroup analysis that this association was evident in participants aged 15-24, b...
Starving Polar Bear Photo: Don't Blame (Just) Climate Change
Live Science - 15 Sep 2015 22:12
A dramatic photograph of a starving polar bear went viral online, but scientists say it's a stretch to definitively link polar-bear starvation to climate change.
Quantum Locked: Physicists Demonstrate "Weeping Angel" Effect
Physics Buzz - 15 Sep 2015 21:59
A team of physicists from Cornell has shown that rapid, repeated measurements can freeze matter in place, in a paper recently accepted for publication by Physical Review Letters. The phenomenon, called the quantum Zeno e...
Virginia Tech chemical engineers outline new approach to materials design
e! Science News - 15 Sep 2015 21:24
A novel approach that should "significantly accelerate materials discovery" is the subject of a new article in the Journal of Physical Chemistry Letters .
Photos: Ancient Fish Had Well-Developed Lung
Live Science - 15 Sep 2015 21:09
Like its modern-day descendants, an ancient big fish known as a coelacanth had gills, but it also sported a well-developed lung, a new study finds.
Head lice super strain causes concern as kids head back to the classroom
Science Daily - 15 Sep 2015 20:16
Reports of a super strain of head lice have many parents concerned as kids head back to the classrooms for the new school year. The dreaded "lice letter" that comes home in backpacks when lice is found in a classroom is ...
Smart emergency scheme for people with dementia
Science Daily - 15 Sep 2015 20:15
People with dementia exhibit many far-reaching changes of conduct. Embarrassment, fear, and reduced orientation ability decrease their degree of independence and social inclusion. The QuartrBack project combines voluntee...
Yoga improves arthritis symptoms, mood, study finds
Science Daily - 15 Sep 2015 20:11
Yoga can be safe and effective for people with arthritis, a randomized trial of people with two common forms of arthritis has found. The researchers report that eight weeks of yoga classes improved the physical and menta...
Spleen may provide new target for treating stroke's debilitating chronic inflammation
Science Daily - 15 Sep 2015 20:10
Stroke injures the brain, but a new study indicates an abdominal organ that plays a vital role in immune function, the spleen, may be a target for treating stroke-induced chronic inflammation leading to further brain cel...
Teen marijuana use down despite greater availability
Science Daily - 15 Sep 2015 20:10
Marijuana use among American high school students is significantly lower today than it was 15 years ago, despite the legalization in many states of marijuana for medical purposes, a move toward decriminalization of the d...
Technique dating back to 1935 recovered for cancer research
Science Daily - 15 Sep 2015 20:10
A study describes a forgotten technique used in the fly Drosophila melanogaster dating back 80 years. This method allows the transplantation of tissue from larvae to adult flies, thus allowing research into tumor growth ...
Number of people at high risk of fracture set to double by 2040
Science Daily - 15 Sep 2015 20:10
A new study projects a dramatic increase in the burden of fragility fractures within the next three decades. By 2040, approximately 319 million people will be at high risk of fracture -- double the numbers considered at ...
Popular hypertension drugs linked to worse heart health in blacks compared to whites
Science Daily - 15 Sep 2015 20:10
Drugs commonly used to treat high blood pressure, and prevent heart attacks and strokes, are associated with significantly worse cardiovascular outcomes in hypertensive African Americans compared to whites, according to ...
Hookah tobacco smoking seems to be increasing in both prevalence, frequency
Science Daily - 15 Sep 2015 19:58
Nearly one in five recently surveyed high school seniors report having smoked tobacco from a hookah in the past year, and more than a third of them reported smoking hookahs often enough to be considered regular users, an...
Whole-body PET scan with new imaging agent can locate hidden blood clots
Science Daily - 15 Sep 2015 19:58
A novel radiopharmaceutical probe has the potential of providing physicians with information that could save the lives of patients with ischemic stroke or pulmonary embolism -- conditions caused when important blood vess...
Specific fatty acids may worsen Crohn's disease
Science Daily - 15 Sep 2015 19:56
Some research has suggested that omega-3 fatty acids, abundant in fish oils, can relieve inflammation in the digestive tracts of people with Crohn's disease. But a new study hints that we should be paying closer attentio...
Skin microbiome influences common sexually transmitted disease
Science Daily - 15 Sep 2015 19:54
For years, researchers have known that the human skin is home to a diverse community of microorganisms, collectively known as the skin microbiome. Now a new study has shown that individuals with a particular skin microbi...