Tiny, burrowing reptiles known as worm lizards became widespread long after the breakup of the continents, leading scientists to conclude that they must have dispersed by rafting across oceans soon after the extinction of the dinosaurs, rather than by continental drift as previously thought.
For the first time biologists report 'irrefutable evidence' that tiny blackpoll warblers complete a nonstop flight from about 1,410 to 1,721 miles (2,270 to 2,770 km) in just two to three days. For this work the scientists fitted geolocator packs on 20 birds in Vermont and 20 more in Nova Scotia. They were able to recapture three birds from the Vermont group and two from the Nova Scotia group for analyses.
Discovering missing body parts of ancient fossils: Waves and storms lifted fossils off the seafloor 550 million years ago
Certain specimens of the fossil Dickinsonia are incomplete because ancient currents lifted them from the sea floor, a team of paleontologists has found. Sand then got deposited beneath the lifted portion, the researchers report, strongly suggesting that Dickinsonia was mobile, easily separated from the sea floor and not attached to the substrate on which it lived.
Why does time seem to crawl if you're waiting in line at the post office, but hours can fly by in minutes when you're doing something fun? A new study examines the factors that determine how consumers experience time.
Why is it so hard for consumers to save money? According to a new study, consumers are often impatient and do not think about the long-term consequences of spending money.
Why do some consumers make choices based on their feelings instead of rational assessments? According to a new study, consumers who consider themselves independent are more inclined to rely on feelings when making decisions.
A better method for predicting the number of hurricanes in an upcoming season has been developed by atmospheric scientists. The team's new model improves the accuracy of seasonal hurricane forecasts for the North Atlantic and the Gulf of Mexico by 23 percent.
One of the most important shifts of the 21st century is the ability of consumers to participate in markets they love such as music and fashion. A new study reveals how ordinary consumers have changed the inner workings of the fashion business by sharing their passion for fashion on a wide variety of websites.
How do consumers react to products with diverse online reviews? According to a new study, a mix of positive and negative reviews can benefit products that are evaluated based on personal taste.
Does hearing about a company's charitable donations raise your opinion of their products? According to a new study, corporate social responsibility leads consumers to believe products are better quality.
Researchers have developed a modeling tool to help local communities better understand their vulnerabilities to large storms stoked by climate change.
Experiences of loneliness and social isolation can lead to increased health care use among older adults, according to new research. The study found that the frequency of physician visits was particularly influenced by chronic loneliness -- and suggests that the identification and targeting of interventions for lonely elders may significantly decrease physician visits and health care costs.
Supplemental folic acid can enhance blood vessel dilation in older adults, according to researchers, suggesting that folic acid supplements may be an inexpensive alternative for helping older adults to increase skin blood flow during heat waves and reduce cardiovascular events.
Protein may improve liver regeneration: GF21 boosts regenerative ability in mice carrying human PPAR alpha protein
Researchers have illuminated an important distinction between mice and humans: how human livers heal. The difference centers on a protein called PPAR alpha which activates liver regeneration.
Researchers have recorded the first direct observations of the micro-scale mechanisms behind the ability of skin to resist tearing. The results could be applied to the improvement of artificial skin, or to the development of thin film polymers for flexible electronics.
In the first-of-its-kind study of the environmental effects of hydropeaking, that is releasing water at hydropower dams to meet peak daily electricity demand, two researchers say their unexpected findings suggest that about 10 percent of released water may be permanently lost, making that water unavailable to downstream users and wildlife.
A team of researchers has uncovered a new kind of synergy in the development of the nervous system, which explains an important mechanism required for neural circuits to form properly. This breakthrough could eventually help develop tools to repair nerve cells following injuries to the nervous system (such as the brain and spinal cord).
A meritocracy holds that if you work hard enough, you can succeed in life, regardless of race, religion, gender or social status. But a new study suggests that, despite egalitarian efforts to downplay class as a forecaster for intelligence and achievement, many people still believe their destiny is tied to their station in life.
Soil organic matter, long thought to be a semi-permanent storehouse for ancient carbon, may be much more vulnerable to climate change than previously thought. Scientists have found that the common root secretion, oxalic acid, can promote soil carbon loss by an unconventional mechanism -- freeing organic compounds from protective associations with minerals.
Fewer than half of the physicians trained in the United States in 2013 received formal education or training on the subject of exercise, according to new research. "There are immense medical benefits to exercise; it can help as much as medicine to address some health concerns," said a national expert on the benefits of physical activity. "Because exercise has medicinal as well as other benefits, I was surprised that medical schools didn't spend more time on it."
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