Like salmon in reverse, long-snouted Bandringa sharks migrated downstream from freshwater swamps to a tropical coastline to spawn 310 million years ago, leaving behind fossil evidence of one of the earliest known shark nurseries.
In adults, some brain regions retain a "childlike" ability to establish new connections, potentially contributing to our ability to learn new skills and form new memories as we age.
The Wildlife Conservation Society congratulates the Aceh Police for smashing a major network of wildlife traffickers.
After nearly a decade of development, construction, and testing, the world’s most advanced instrument for directly imaging and analyzing planets around other stars is pointing skyward and collecting light from distant worlds.
Swirling, stormy clouds may be ever-present on cool celestial orbs called brown dwarfs. New observations from NASA's Spitzer Space Telescope suggest that most brown dwarfs are roiling with one or more planet-size storms akin to Jupiter's "Great Red Spot."
Some 30 minutes of meditation daily may improve symptoms of anxiety and depression, a new Johns Hopkins analysis of previously published research suggests.
Researchers at Clarkson University have come up with a new way to reduce the time it takes to board an airplane. Passengers are assigned to seats based on the amount of luggage they carry, distributing carry-ons evenly throughout the plane, resulting in a reduction in the total time to board all passengers.
Common advice to new parents is that the more words babies hear the faster their vocabulary grows. Now new findings show that what spurs early language development isn't so much the quantity of words as the style of speech and social context in which speech occurs.
Striking new observations with the Atacama Large Millimeter/submillimeter Array (ALMA) telescope capture, for the first time, the remains of a recent supernova brimming with freshly formed dust. If enough of this dust makes the perilous transition into interstellar space, it could explain how many galaxies acquired their dusty, dusky appearance.
Researchers have developed a technique for creating nanoparticles that carry two different cancer-killing drugs into the body and deliver those drugs to separate parts of the cancer cell where they will be most effective.
A Vanderbilt University Medical Center study released today shows there is no evidence that the risk of suicide differs with two commonly prescribed antidepressants prescribed to children and adolescents.
Nearly half of black males and almost 40 percent of white males in the U.S. are arrested by age 23, which can hurt their ability to find work, go to school and participate fully in their communities. A new study released Monday (Jan. 6) in the journal Crime & Delinquency provides the first contemporary findings on how the risk of arrest varies across race and gender.
One of the major factors blamed for the subprime mortgage crisis may have actually played only a minor role in the housing meltdown, new research reveals.
Last year’s gigantic landslide at a Utah copper mine probably was the biggest nonvolcanic slide in North America’s modern history, and included two rock avalanches that happened 90 minutes apart and surprisingly triggered 16 small earthquakes, University of Utah scientists discovered.
Most adults remember their first success in learning to swim using the ‘dog paddle’. This classic maneuver has been used to describe swimming in armadillos, turtles, even humans – just about everything except dogs. Dr. Frank Fish, a professor of biology at West Chester University, set out with his colleagues to understand how real dogs perform the dog paddle. Fish has spent most of his career studying the swimming of marine mammals such as whales. But looking at swimming in dogs afforded Fish the opportunity to investigate how swimming in marine mammals may have evolved from walking in their terrestrial ancestors.
Your nose is not the only organ in your body that can sense cigarette smoke wafting through the air. Scientists at Washington University in St. Louis have shown that your lungs have odor receptors as well. The odor receptors in your lungs are in the membranes of flask-shaped neuroendocrine cells that dump neurotransmitters and neuropeptides when the receptors are stimulated, perhaps triggering you to cough to rid your body of the offending substance.
In a recently published article in the Journal of American Veterinary Medicine, a group of researchers compared the perceptions of raw meat-based diets (RMBD) for pets against existing evidence to help separate fact from commonly held beliefs.
A new study from the Perelman School of Medicine at the University of Pennsylvania has found no significant difference in adjusted overall survival rates between gunshot and stabbing (so-called penetrating trauma injuries) victims in Philadelphia whether they were transported to the emergency department by the police department or the emergency medical services (EMS) division of the fire department.
Parents and other adults heap the highest praise on children who are most likely to be hurt by the compliments, a new study finds.
A team of scientists led by researchers in the Department of Astronomy and Astrophysics at the University of Chicago report they have definitively characterized the atmosphere of a super-Earth class planet orbiting another star for the first time.
Having shingles may increase the risk of having a stroke years later, according to research published in the January 2, 2014, online issue of Neurology®, the medical journal of the American Academy of Neurology.
Researchers have developed a way to microscopically view battery electrodes while they are bathed in wet electrolytes, mimicking realistic conditions inside actual batteries.
University at Buffalo research published today in Infection and Immunity shows that Streptococcus pneumoniae and Streptococcus pyogenes persist on surfaces for far longer than has been appreciated.
Working in mice, researchers at Washington University School of Medicine in St. Louis report developing a gene delivery method long sought in the field of gene therapy: a deactivated virus carrying a gene of interest that can be injected into the bloodstream and make its way to the right cells. In this early proof-of-concept study, the scientists have shown that they can target tumor blood vessels in mice without affecting healthy tissues.
The naked mole rat has been named Vertebrate of the Year by Science Magazine, thanks to the work of University of Rochester biologists Vera Gorbunova and Andrei Seluanov.
Meibomian gland dysfunction (MGD) is the leading cause of dry eye disease, which affects tens of millions of Americans. However, there is no FDA-approved treatment for MGD. Researchers from the Schepens Eye Research Institute/Massachusetts Eye and Ear and Harvard Medical School have just identified a potential therapy.
You might think that beatboxing, with its harsh, high-energy percussive sounds, would be harder on the voice than the sweet song of a soprano. But according to new research by voice expert Dr. H. Steven Sims of the University of Illinois Hospital & Health Sciences System, beatboxing may actually be gentler on the injury-prone vocal cords. His findings were published Dec. 23 online in the Journal of Voice.
Using high-resolution fMRI imaging in patients with Alzheimer's disease and in mouse models of the disease, researchers have clarified three fundamental issues about Alzheimer's: where it starts, why it starts there, and how it spreads. In addition to advancing understanding of Alzheimer's, the findings could improve early detection of the disease, when drugs may be most effective. The study was published today in the online edition of the journal Nature Neuroscience.
Scientists at The Scripps Research Institute have demonstrated a drug-discovery strategy with a double payoff—it enables the rapid selection of chemical compounds that have a desired effect on cells and also highlights how the compounds work.
Researchers have found an extensive reservoir in the Greenland Ice Sheet that holds water year round. A surprising discovery, the existence of the 27,000 square mile aquifer adds important information to sea level rise calculations.
Scientists using GPS to study changes in the Earth’s shape accurately forecasted the size and location of the magnitude 7.6 Nicoya earthquake that occurred in 2012 in Costa Rica.
Scientists have long puzzled over the seemingly ceaseless drizzle of snow drifting down from arctic clouds. Now they may have an explanation.
In two separate clinical trials, researchers at Albert Einstein College of Medicine of Yeshiva University have found that periodic meetings with a lactation consultant encourages women traditionally resistant to breastfeeding to do so, at least for a few months—long enough for mother and child to gain health benefits.
A new study by Wellesley College neuroscientists is the first to directly compare brain responses to faces and objects with responses to colors. The paper reveals new information about how the brain’s inferior temporal (IT) cortex processes information.
Woodpeckers find emerald ash borers a handy food source and may slow the spread of this noxious pest, even ultimately controlling it, suggest researchers from the University of Illinois at Chicago.
Researchers discover there are seven distinct African crocodile species, not just three.
In some mountain ranges, Earth’s warming climate is driving rabbit relatives known as pikas to higher elevations or wiping them out. But University of Utah biologists discovered that roly-poly pikas living in rockslides near sea level in Oregon can survive hot weather by eating more moss than any other mammal.
This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective dust illuminated by the glittering star. Hubble took a series of photos of light flashes rippling across the nebula in a phenomenon known as a "light echo."
The ancestor of snakes and lizards likely gave birth to live young, rather than laid eggs, and over time species have switched back and forth in their preferred reproductive mode, according to research published in print in Ecology Letters Dec. 17.
A recently discovered bone from the hand of an East African hominim provides the earliest record of a structural feature related to tool use.
Neanderthals, forerunners to modern humans, buried their dead, an international team of archaeologists has concluded after a 13-year study of remains discovered in southwestern France.
A controversial oil and natural gas drilling technique called hydraulic fracturing, or fracking, uses many chemicals that can disrupt the body’s hormones, according to new research accepted for publication in The Endocrine Society’s journal Endocrinology.
Using a new technique to evaluate working muscles in mice, researchers have uncovered physiological mechanisms that could lead to new strategies for combating metabolism-related disorders like muscle wasting and obesity.
In a study published in the journal Chemical Communications, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory, Stony Brook University, and Syracuse University show that shrinking the core of a quantum dot can enhance the ability of a surrounding polymer to extract electric charges generated in the dot by the absorption of light.
Researchers at Duke Medicine are giving people another reason to lose weight in the new year: obesity-related illnesses are expensive. According to a study published in the journal Obesity, health care costs increase in parallel with body mass measurements, even beginning at a recommended healthy weight.
South Pole Telescope scientists have detected for the first time a subtle distortion in the oldest light in the universe, which may help reveal secrets about the earliest moments in the universe’s formation.
According to the Saint Leo poll, 84 percent of Americans say they agree with a policy of not allowing smart phones and other handheld devices at the table during family dinner. That number climbed to 87 percent when a family has guests joining them for dinner—with women even less tolerant than men (89 percent of women compared to 84 percent of women) of phones when guests are present.
Abstract #P3-06-02
NASA's Hubble Space Telescope has found something that Jovian probes may have missed, plumes of water vapor leaking off into space near the Europa's south pole.
Poverty may have direct implications for important, early steps in the development of the brain, saddling children of low-income families with slower rates of growth in two key brain structures, according to researchers from the University of Wisconsin–Madison.
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