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Today's Environment Influences Behavior Generations Later: Chemical Exposure Raises Descendants' Sensitivity to Stress
Researchers have seen an increased
reaction to stress in animals
whose ancestors were exposed to an
environmental compound generations
earlier. The findings put a new
twist on the notions of nature and
... > full story
- more on:
What Baboons Can Teach Us About Social Status
High-ranking male baboons recover
more quickly from injuries and are
less likely to become ill than
other males, biologists have
found. ... > full story
- more on:
Totally RAD: Bioengineers Create Rewritable Digital Data Storage in DNA
Scientists have devised a method
for repeatedly encoding, storing
and erasing digital data within
the DNA of living cells. In
practical terms, they have devised
the genetic equivalent of a binary
digit -- a "bit" in data parlance. ... > full story
- more on:
Morphing Robots and Shape-Shifting Sculptures: Origami-Inspired Design Merges Engineering, Art
Researchers have shown how to
create morphing robotic mechanisms
and shape-shifting sculptures from
a single sheet of paper in a
method reminiscent of origami, the
Japanese art of paper folding. ... > full story
- more on:
Squid Ink from Jurassic Period Identical to Modern Cuttlefish Ink
Scientists have found that two ink
sacs from 160-million-year-old
giant squid fossils discovered 2
years ago in England contain the
pigment melanin, and that it is
essentially identical to the
melanin found in the ink sacs of
... > full story
- more on:
Zooming in on Bacterial Weapons in 3-D: Structure of Bacterial Injection Needles Deciphered at Atomic Resolution
The plague, bacterial dysentery,
and cholera have one thing in
common: These dangerous diseases
are caused by bacteria which
infect their host using a
sophisticated injection apparatus.
... > full story
- more on:
Rare Neurons Linked to Empathy and Self-Awareness Discovered in Monkey Brains
Scientists have discovered brain
cells in monkeys that may be
linked to self-awareness and
empathy in humans. ... > full story
- more on:
Cloak of Invisibility: Engineers Use Plasmonics to Create an Invisible Photodetector
Engineers have for the first time
used "plasmonic cloaking" to
create a device that can see
without being seen -- an invisible
machine that detects light. It is
the first example of what the
... > full story
- more on:
Dry Lands Getting Drier, Wet Getting Wetter: Earth's Water Cycle Intensifying With Atmospheric Warming
A clear change in salinity has
been detected in the world's
oceans, signaling shifts and an
acceleration in the global
rainfall and evaporation cycle.
The patterns are not uniform, with
... > full story
- more on:
Toxic Mercury, Accumulating in the Arctic, Springs from a Hidden Source
Environmental scientists have
discovered that the Arctic
accumulation of mercury, a toxic
element, is caused by both
atmospheric forces and the flow of
circumpolar rivers that carry the
element north into the Arctic
... > full story
- more on:
Brain Injury to Soldiers Can Arise from Exposure to a Single Explosion
Scientists have found new evidence
of chronic traumatic
encephalopathy (CTE) in brain
tissue from blast-exposed military
service personnel. Laboratory
experiments demonstrated that
exposure to a single blast
... > full story
- more on:
Training the Blind to 'See' Using New Device to 'Listen' to Visual Informatoin
A method developed for training
blind persons to “see”
through the use of a sensory
substitution device (SSD) has
enabled those using the system to
actually “read” an eye
chart with letter sizes smaller
... > full story
- more on:
Roll over headlines to view top news summaries:
- Fungicide Affects Behavior For Generations
- What Baboons Can Teach Us About Social Status
- DNA Used for Rewritable Digital Data Storage
- Morphing Robots and Shape-Shifting Sculptures
- Jurassic Squid Ink Same as Today's Squid Ink
- Zooming in On Bacterial Weapons in 3-D
- 'Empathy' Neurons in Monkey Brains?
- Cloak of Invisibility Using Plasmonics
- Earth's Water Cycle Intensifying
- Mercury in Arctic Springs from Hidden Source
- Brain Injury from Exposure to Single Explosion
- Blind Can 'See' With New Listening Device
- more top science stories
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Top Medical News
Physical Properties Predict Stem Cell Outcome
Tissue engineers can use mesenchymal stem cells derived from fat to make cartilage, bone, or more fat. The best cells to use are ones that are already likely to become the desired tissue. Researchers have discovered that the mechanical properties of ... > full story
- Activating Genes That Suppress Tumors and Inhibit Cancer
- Surgical Removal of Abdominal Fat Reduces Skin Cancer in Mice
- Hunter-Gatherers and Horticulturalist Lifestyle Linked to Lower Blood Pressure Increases, Atherosclerosis Risks
- Seventy-Two Percent of Teenagers Experienced Reduced Hearing Ability After Attending Concert
- more top health stories
Top Technology News
Diamond Used to Produce Graphene Quantum Dots and Nano-Ribbons of Controlled Structure
Researchers have come closer to solving an old challenge of producing graphene quantum dots of controlled shape and size at large densities, which could revolutionize electronics and ... > full story
Top Environment News
Understanding Arctic Ocean's Carbon Cycle
Scientists have conducted a new study to measure levels of carbon at various depths in the Arctic Ocean. The study provides data that will help researchers better understand the Arctic Ocean's carbon cycle -- the pathway through which carbon enters ... > full story
More Science Headlines
Updated 2 hours 45 minutes ago | Next update in 15 minutes
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5 am EDT
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Weight Struggles? Blame New Neurons in Your Hypothalamus
May 21, 2012 — New nerve cells formed in a select part of the brain could hold considerable sway over how much you eat and consequently weigh, new animal research ... > full story -
Cholesterol-Lowering Drugs May Slow Prostate Growth
May 21, 2012 — Statins drugs prescribed to treat high cholesterol may also work to slow prostate growth in men who have elevated PSA levels, according to a new ... > full story -
Antibiotic Residues, Some More Than FDA Limits, in Seafood Purchased at US Grocery Stores, Experts Say
May 21, 2012 — Scientists have found evidence of antibiotics – one a suspected human carcinogen – in seafood imported into the United States and purchased from grocery store ... > full story -
Don't Like Blood Tests? New Microscope Uses Rainbow of Light to Image the Flow of Individual Blood Cells
May 21, 2012 — Blood tests convey vital medical information, but the sight of a needle often causes anxiety and results take time. A new device however, can reveal much the same information as a traditional blood test in real-time, simply by shining a light ... > full story -
Allergies? Some Pollens Are Much More Aggressive Than Others
May 21, 2012 — There are pollens -- and then there are pollens, as scientists from across Europe discovered while investigating the allergic potential of pollens from the three main triggers of hay fever in Europe: birch, grass and olive. Different people can have ... > full story
2 am EDT
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New Approach to 'Spell Checking' Gene Sequences
May 21, 2012 — Scientists have found a better way to 'spell check' gene ... > full story -
Growth Factor in Stem Cells May Spur Recovery from Multiple Sclerosis
May 21, 2012 — A substance in human mesenchymal stem cells that promotes growth appears to spur restoration of nerves and their function in rodent models of multiple sclerosis, researchers have ... > full story -
Folic Acid May Reduce Some Childhood Cancers
May 21, 2012 — Folic acid fortification of foods may reduce the incidence of the most common type of kidney cancer and a type of brain tumors in children, finds a new study. Incidence reductions were found for Wilms' tumor, a type of kidney cancer, and primitive ... > full story -
Obese Adolescents Have Heart Damage
May 21, 2012 — Obese adolescents with no symptoms of heart disease already have heart damage, according to new ... > full story -
Stressed Men Are More Social
May 21, 2012 — Researchers have refuted the common belief that stress always causes aggressive ... > full story
11 pm EDT
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Relationships; Anger Management; Social Psychology; Psychology; Perception; Disorders and Syndromes;
Anger in Disputes Is More About the Climate of the Marriage Than the Heat of the Moment
May 21, 2012 — How good are married couples at recognizing each other’s emotions during conflicts? In general, pretty good, according to a new study. But if your partner is angry, that might tell more about the overall climate of your marriage than about ... > full story -
Soldiers Who Desecrate the Dead See Themselves as Hunters
May 20, 2012 — Modern day soldiers who mutilate enemy corpses or take body-parts as trophies are usually thought to be suffering from the extreme stresses of battle. But, new research shows that this sort of misconduct has most often been carried out by fighters ... > full story -
Lung Cancer; Lung Disease; Diseases and Conditions; Cystic Fibrosis; Today's Healthcare; Pharmacology;
First, Do No Harm: Danger in Standard Treatment for a Serious Lung Disease
May 20, 2012 — A combination of three drugs used worldwide as the standard of care for a serious lung disease puts patients in danger of death or hospitalization, and should not be used together to treat the disease, called idiopathic pulmonary fibrosis, according ... > full story -
Children Exposed to Smoking Face Long-Term Respiratory Risks
May 20, 2012 — A new study shows that the health risks associated with exposure to environmental tobacco smoke among children whose parents smoke persist well beyond childhood, independent of whether or not they end up becoming ... > full story -
Experimental Bariatric Surgery Controls Blood Sugar in Rodents With Diabetes Via Novel Sensing Signals in Gut
May 20, 2012 — For the first time, scientists have shown that an experimental bariatric surgery can lower blood sugar levels in rats with type 1 ... > full story
8 pm EDT
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New Target to Battle Rheumatoid Arthritis
May 20, 2012 — Scientists have identified the mechanism by which a cell signaling pathway contributes to the development of rheumatoid arthritis ... > full story -
Brain Tumor; Intelligence; Brain Injury; Disorders and Syndromes; Psychology Research; Neuroscience;
Acid in the Brain: New Way to Look at Brain Function
May 19, 2012 — Researchers have developed an MRI-based method to detect and monitor pH changes in living brains. The new technique provides the best evidence so far that pH changes do occur with normal function in the intact human brain. The team hopes to use the ... > full story -
DNA Barcoding Verified the Discovery of a Highly Disconnected Crane Fly Species
May 18, 2012 — Entomologists have discovered a new crane fly species on the Eurasian continent. The new species, Tipula recondita, has been documented in both Finnish Lapland and the Russian Far East in two apparently disconnected ... > full story -
Using Graphene, Scientists Develop a Less Toxic Way to Rust-Proof Steel
May 18, 2012 — Researchers are making significant progress on rust-proofing steel using a graphene-based composite that could serve as a nontoxic alternative to coatings that contain hexavalent chromium, a probable ... > full story -
Heart Disease; Infectious Diseases; Personalized Medicine; Bacteria; Wounds and Healing; Microbes and More;
Common Antibiotic Carries Heart Risk, Study Suggests
May 16, 2012 — Researchers have discovered a rare, but important risk posed by the antibiotic azithromycin, commonly called a "Z-pack." The study found a 2.5-fold higher risk of death from cardiovascular death in the first five days of taking azithromycin when ... > full story
5 pm EDT
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Diabetes; Diseases and Conditions; Heart Disease; Chronic Illness; Stroke Prevention; Today's Healthcare;
Protective Molecule, ACE2, Also Proving Its Worth in Diabetic Patients
May 16, 2012 — ACE2, a molecule that has been shown to prevent damage in the heart, is now proving to be protective of the major organs that are often damaged in diabetic ... > full story -
Promising Discovery in Pursuit of Effective Lymphoma Treatments
May 16, 2012 — Researchers have identified a target for slowing the progression of multiple myeloma by using currently available ... > full story -
Plant Breeders Develop an Even Heart-Healthier Oat
May 16, 2012 — Plant breeders have developed a new oat variety that's significantly higher in the compound that makes this grain so ... > full story -
Breast Cancer Effectively Treated With Chemical Found in Celery, Parsley, Mouse Study Suggests
May 16, 2012 — Apigenin, a natural substance found in grocery store produce aisles, shows promise as a non-toxic treatment for an aggressive form of human breast cancer, following a new study. Researchers found apigenin shrank a type of breast cancer tumor that is ... > full story -
Energy and the Environment; Renewable Energy; Solar Energy; Geomagnetic Storms; Sun; Environmental Science;
Bright Future for Solar Power from Space
May 16, 2012 — Solar power gathered in space could be set to provide the renewable energy of the future thanks to innovative ... > full story
2 pm EDT
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Millennium-Old Olive Trees of the Iberian Peninsula Are Younger Than Expected
May 16, 2012 — North-East Spain is home to olive trees so old that they are known as ‘millennium-old’. A group of scientists have now studied their age. The oldest is to be found in the Catalan region of Montsià and is 627 years old making it ... > full story -
Marker to Identify, Attack Breast Cancer Stem Cells Discovered
May 16, 2012 — Cell surface protein GD2 blows potent tumor-generating cells’ cover. The first single marker of breast cancer stem cells also is targetable by a drug in preclinical ... > full story -
New Technique Allows Mass Production of Building Components
May 16, 2012 — Researchers are automating some of the processes by which computer-based designs are turned into real world entities, developing techniques that fabricate building elements directly from digital designs, and allowing custom components to be ... > full story -
Fitness; Sports Medicine; Workplace Health; Diseases and Conditions; Healthy Aging; Today's Healthcare;
Death Risk for Marathoners Remains Low During or Soon After Race
May 16, 2012 — Even though hundreds of thousands more people finished grueling 26.2 mile marathons in the United States in 2009 compared to a decade earlier, a runner’s risk of dying during or soon after the race has remained very low — about .75 per ... > full story -
Children in U. S. , Great Britain Share Risk Factors for Behavioral Problems
May 16, 2012 — Children in the United States and Great Britain share a number of common risk factors that increase the likelihood that they will have behavioral problems —- and Britain’s broader social welfare programs don’t appear to mitigate ... > full story
11 am EDT
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Sulphur and Iron Compounds Common in Old Shipwrecks
May 15, 2012 — Sulphur and iron compounds have now been found in shipwrecks both in the Baltic and off the west coast of Sweden. A few years ago scientists reported large quantities of sulphur and iron compounds in the salvaged 17th century warship Vasa, resulting ... > full story -
Energy Issues; Energy and the Environment; Energy Policy; Renewable Energy; Environmental Policy; Environmental Science;
Americans Support National Clean-Energy Standard
May 13, 2012 — The average US citizen is willing to pay 13 percent more for electricity in support of a national clean-energy standard, according to new ... > full story -
Good News for Nanomedicine: Quantum Dots Appear Safe in Pioneering Study on Primates
May 20, 2012 — A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases like cancer through ... > full story -
Prenatal Pollution Exposure Dangerous for Children With Asthma
May 20, 2012 — The link between prenatal exposure to air pollution and childhood lung growth and respiratory ailments is well established, and now a new study suggests that these prenatal exposures can be especially serious for children with ... > full story -
Neuroscience; Educational Psychology; Intelligence; Behavioral Science; Child Development; Language Acquisition;
Songbirds' Learning Hub in Brain Offers Insight Into Motor Control
May 20, 2012 — To learn its signature melody, the male songbird uses a trial-and-error process to mimic the song of its father, singing the tune over and over again, hundreds of times a day, making subtle changes in the pitch of the notes. To accomplish this feat, ... > full story
8 am EDT
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Pharmacology; Personalized Medicine; Diseases and Conditions; HIV and AIDS; Foodborne Illness; Infectious Diseases;
Drug Found for Parasite That Is Major Cause of Death Worldwide
May 20, 2012 — An existing drug has been found to be effective against Entamoeba histolytica. This parasite causes amebic dysentery and liver abscesses and results in the death of more than 70,000 people worldwide each ... > full story -
Oxytocin Improves Brain Function in Children With Autism
May 19, 2012 — Preliminary results from an ongoing, large-scale study shows that oxytocin -- a naturally occurring substance produced in the brain and throughout the body -- increased brain function in regions that are known to process social information in ... > full story -
Pollution Teams With Thunderclouds to Warm Atmosphere
May 19, 2012 — New simulation study shows that atmosphere warms when pollution intensifies storms. How much the warming effect of these clouds offsets the cooling that other clouds provide is not yet ... > full story -
Diet and Weight Loss; Dieting and Weight Control; Obesity; Fitness; Pregnancy and Childbirth; Diabetes;
Weight in Pregnancy Best Controlled by Diet, Study Suggests
May 18, 2012 — Pregnant women, including those who are obese or overweight, should be encouraged to minimize weight gain through diet, according to major new ... > full story -
Performance Boost for Microchips
May 18, 2012 — The semiconductor industry is faced with the challenge of supplying ever faster and more powerful chips. The Next-Generation Lithography with EUV radiation will help meeting that challenge. Researchers have now developed key ... > full story
Health & Biomedical Sciences
Health & Medicine
Treatment of Childhood OSA Reverses Brain Abnormalities
Treatment of obstructive sleep apnea (OSA) in children normalizes disturbances in the neuronal network responsible for attention and executive function, according to a new ... > full story
- Multipotent Stromal Stem Cells from Normally Discarded Human Placental Tissue Demonstrate High Therapeutic Potential
- Sutureless Aortic Valve Replacement a North American First
- 'Rare' Genetic Variants Are Surprisingly Common, Life Scientists Report
- New Key Mechanism in Cell Division Discovered
- more stories
Mind & Brain
With Fat: What's Good or Bad for the Heart, May Be the Same for the Brain
According to new research, one "bad" fat -- saturated fat -- was found to be associated with worse overall cognitive function and memory in women over time. By contrast, a "good" fat -- mono-unsaturated fat was associated with better overall ... > full story
- How Exercise Affects the Brain: Age and Genetics Play a Role
- Phase I Clinical Trial Shows Drug Shrinks Melanoma Brain Metastases
- Why Do Consumers Dislike Corporate Brands That Get Too Familiar?
- Suspicion Resides in Two Regions of the Brain: Our Baseline Level of Distrust Is Distinct and Separable from Our Inborn Lie Detector
- more stories
Living Well
Marketing Is More Effective When Targeted to Personality Profiles
Advertisers spend time and money attempting to tailor advertising campaigns to the needs of different demographic groups. After all, the concerns of college students are going to be different from those of retired professionals. Even within a given ... > full story
Biological & Earth Sciences
Plants & Animals
Tea Could Aid Olympic Cheating
Researchers have found that green and white teas could hide abnormal levels of testosterone in ... > full story
Earth & Climate
A Crowning Success for Crayfish
Australian freshwater crayfish have a tooth enamel very similar to humans. Nature sometimes copies its own particularly successful developments. Scientists have now found that the teeth of the Australian freshwater crayfish Cherax quadricarinatus ... > full story
Fossils & Ruins
Ancient History of Circumarctic Peoples Illuminated
Scientists have discovered new information about the migration patterns of the first humans to settle the Americas. The studies identify the historical relationships among various groups of Native American and First Nations peoples and present the ... > full story
- Religion Is a Potent Force for Cooperation and Conflict, Research Shows
- Ancient Giant Turtle Fossil Was Size of Smart Car
- Damaged Connections in Phineas Gage's Brain: Famous 1848 Case of Man Who Survived Accident Has Modern Parallel
- The Rhine Is Five Million Years Older Than First Thought: Age of the River Corrected Based on Fossils
- more stories
Physical & Applied Sciences
Space & Time
Cassini Spots Tiny Moon, Begins to Tilt Orbit
NASA's Cassini spacecraft made its closest approach to Saturn's tiny moon Methone as part of a trajectory that will take it on a close flyby of another of Saturn's moons, Titan. The Titan flyby will put the spacecraft in an orbit around Saturn that ... > full story
- What Astronauts Ate: Apollo 10 Space Meal, 1969
- Newfound Exoplanet May Turn to Dust: Planet’s Dust Cloud May Explain Strange Patterns of Light from Its Star
- Days of 'Gizmo' Launches Return: NASA Team to Test New Vehicle-Descent Technologies
- Meals, Equipment Top Cargo List for SpaceX Spacecraft Dragon
- more stories
Matter & Energy
Proven Friction Stir Welding Technology Brings Together Reliability and Affordability for NASA's Space Launch System
NASA's next heavy-lift launch vehicle, the Space Launch System, is moving further in development faster thanks to proven advanced technologies like friction stir welding. Friction stir welding uses frictional heating combined with forging pressure ... > full story
Computers & Math
Cyber Partners Help You Go the Distance
A competent, virtual exercise partner can boost motivation and improve team performance. A new study, testing the benefits of a virtual exercise partner, shows that the presence of a moderately more capable cycling partner boosts motivation to stick ... > full story
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