Katarzyna Pisanski et al., writing in Proceedings of the Royal Society B: Biological Sciences, have found that women lower their voice when competing for a man.
Culture
Bottom Line: Head impacts in youth sports, even when they don't cause symptoms of concussion, are a public health concern because these so-called subconcussive head impacts may result in long-term neurological issues if they are sustained repeatedly. This study looked at changes in measurements of near point of convergence (NPC), which is the distance from your eyes to where both eyes can focus without double vision, in 12 high school football players at 14 different times during a season.
A technique that enables biologically active enzymes to survive the rigors of inkjet printing presents a promising alternative to routine blood screening exams faced by diabetic patients. The KAUST-led team used this approach to make disposable devices that can measure glucose concentrations in human saliva.
The humpback whale and a handful of similar whale species have a feeding mechanism utterly unique in the animal kingdom.
They open their mouths to scoop in ocean water, then strain it out through plates called baleen. The baleen looks like hairy bristles on a comb and functions as a sieve, leaving krill, small fish and other food for the whale to swallow.
A team led by the University of California San Diego has developed a neuroinspired hardware-software co-design approach that could make neural network training more energy-efficient and faster. Their work could one day make it possible to train neural networks on low-power devices such as smartphones, laptops and embedded devices.
The advance is described in a paper published recently in Nature Communications.
JONESBORO, AR; December 19, 2018--Researchers have long wondered how gigantic, heavily armored dinosaurs, such as the club-tailed ankylosaurs that lived in sweltering climates, avoided overheating. While their large bodies were adept at retaining heat, their sheer size created a heat-shedding problem that would have put them at risk of overheating, even on cloudy days. In the absence of a protective cooling mechanism, the delicate neural tissue of their brains could be damaged by the hot blood from the core of their bodies.
Researchers in Italy have demonstrated the feasibility of quantum communications between high-orbiting global navigation satellites and a ground station, with an exchange at the single photon level over a distance of 20,000km.
The milestone experiment proves the feasibility of secure quantum communications on a global scale, using the Global Navigation Satellite System (GNSS). It is reported in full today in the journal Quantum Science and Technology.
Astronauts in low-earth orbit could use a fresh salad to brighten up all those freeze-dried meals. But the microgravity space environment can affect plant growth in ways we're only beginning to understand. In research presented in a recent issue of Applications in Plant Sciences, Drs.
DALLAS, Dec. 19, 2018 -- Nearly a fifth of heart disease deaths in adults aged 25-69 in 2011 may be attributed to high sodium diets in a large province in China. Reducing salt intake in the region could potentially save thousands of lives, according to new research in Journal of the American Heart Association, the Open Access Journal of the American Heart Association/American Stroke Association.
An active ingredient in eye drops that were being developed for the treatment of a form of eye disease has shown promise for treating an aggressive form of blood cancer. Scientists at the Wellcome Sanger Institute, University of Cambridge, University of Nottingham and their collaborators have found that this compound, which targets an essential cancer gene, could kill leukaemia cells without harming non-leukemic blood cells.
Our homes are supposed to be safe havens from the outside world. However, studies have shown that household air is more polluted than either office or school air, exposing children and home workers to higher levels of carcinogens than the general population. Now, researchers have made a genetically modified houseplant that can efficiently remove at least two toxins from the air. They report their results in ACS' journal Environmental Science & Technology.
We like to keep the air in our homes as clean as possible, and sometimes we use HEPA air filters to keep offending allergens and dust particles at bay.
But some hazardous compounds are too small to be trapped in these filters. Small molecules like chloroform, which is present in small amounts in chlorinated water, or benzene, which is a component of gasoline, build up in our homes when we shower or boil water, or when we store cars or lawn mowers in attached garages. Both benzene and chloroform exposure have been linked to cancer.
A University of Wyoming researcher and his team have discovered that separating male and female mice, over time, changes the way they smell.
The study investigates how the olfactory sensory receptors in mice change as a function of exposure to odors emitted from members of the opposite sex, says Stephen Santoro, an assistant professor in the Department of Zoology and Physiology.
BIRMINGHAM, Ala. - A key step in retroviral growth inside a cell, as described by Jamil Saad, Ph.D., and colleagues, is portrayed on the cover of The Journal of Biological Chemistry. It is a visual image, in molecular detail, of their journal article inside that looks at avian sarcoma virus, or ASV.
Claims of a 'pause' in observed global temperature warming are comprehensively disproved in a pair of new studies published today.
An international team of climate researchers reviewed existing data and studies and reanalysed them. They concluded there has never been a statistically significant 'pause' in global warming. This conclusion holds whether considering the `pause' as a change in the rate of warming in observations or as a mismatch in rate between observations and expectations from climate models.