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When a meteoroid enters Earth’s atmosphere, the high-pressure air in front of it seeps into its pores, cracking the meteoroid, pushing its body apart, and causing it to explode, new research suggests. “There’s a big gradient between high-pressure air in...
Researchers at The University of Texas at Austin have found that a well-known period of abrupt climate change 12,000 years ago occurred rapidly in northern latitudes but much more gradually in equatorial regions, a discovery that could prove important...
Learning a visual-spatial language such as British Sign Language improves peripheral vision among hearing adults, a new study shows. “We were surprised by the quicker response times of BSL interpreters, who haven’t necessarily known sign language since childhood, but have improved...
The Middle East is called the "Cradle of Civilization" because it is where our hunter-gatherer ancestors first established sedentary farming communities. Recently, the traditional dating of humans' first agricultural attempt was shaken up by the discovery of the earliest-known...
Researchers have found evidence for natural selection’s role in the evolution of nose shape in people. They say the shape of someone’s nose and that of their parents was formed by a long process of adaptation to our local climate. “We are...
Massive volcanic eruptions and resulting environmental changes caused the Great Permian Extinction approximately 250 million years ago, research suggests. The study reports a global spike in the chemical element nickel at the time of extinction. The anomalous nickel most likely...
NEWTOWN SQUARE, Penn. (Sept. 15, 2015): Humans and habitat intersect in the wildland-urban interface, or WUI, a geography that now includes about one-third of homes in the United States within just 10 percent of the nation's land area. Both...
In early 2014, freezing air from the polar vortex at the North Pole swept into the United States. The resulting record cold temperatures and snowfall grounded planes, knocked out power, and caused unusual weather across the country. Even states...
In a rapid-fire series of breakthroughs in just under a year, researchers have made another advance in the development of an effective treatment for glioblastoma, a common and aggressive brain cancer. The work, published in the journal Science Translational Medicine,...
INDIANAPOLIS -- An Indiana University and Regenstrief Institute study is the first to report significantly decreased incidence rates over two decades for Alzheimer's disease and other dementias in African-Americans. The study is also the first to show that the...