Scientists at the University of British Columbia and Vancouver Coastal Health have proven that multiple sclerosis (MS) can be caused by a single genetic mutation – a rare alteration in DNA that makes it very likely a person will develop the more devastating form of the neurological disease.
Researchers from Michigan State University are using Mira to perform large-scale 3-D simulations of the final moments of a supernova’s life cycle. While the 3-D simulation approach is still in its infancy, early results indicate that the models are providing a clearer picture than ever before of the mechanisms that drive supernova explosions.
Hubble Space Telescope astronomers have discovered that the universe is expanding 5-9% percent faster than expected. They made the discovery by refining the universe's current expansion rate to unprecedented accuracy, reducing the uncertainty to only 2.4%. The team made the refinements by developing innovative techniques that improved the precision of distance measurements to faraway galaxies. These measurements are fundamental to making more precise calculations of how fast the universe expands with time, a value called the Hubble constant.
A University of Montana graduate student's research on Alaskan brown bears and red salmon is the May cover story of the high-profile journal Ecology.
Archaeologists studying the distribution of ancient rice believe they may be close to solving one of the enduring mysteries of the ancient world - how people of South East Asian origin ended up living on the African island of Madagascar, 6,000 km away.
Employees (or shift workers), who punch in for graveyard or rotating shifts, are more prone to numerous health hazards, from heart attacks to obesity, and now, new research, published in Endocrinology, shows shift work may also have serious implications for the brain.
A new study shows a fundamental shift in Americans’ attitudes about same-sex behavior. Since the 1990s, the percentage of adults who accept same-sex behavior has quadrupled, and those who have participated in same-sex experiences has doubled. These increases were among all generations, with Millennials leading the way.
The Soil Science Society of America (SSSA) June 1 Soils Matter blog post explains that biosolids are actually one of the most scientifically studied products for use in agriculture and home gardens. And they are being used to fix industrial sites – and used productively in home gardens as well!
Scientists working in the Gulf of Mexico have found that contaminants from the massive 2010 Deepwater Horizon oil spill lingered in the subsurface water for months after oil on the surface had been swept up or dispersed. In a new study, they also detailed how remnants of the oil, black carbon from burning oil slicks and contaminants from drilling mud combined with microscopic algae and other marine debris to descend in a "dirty blizzard" to the seafloor.
Not all habits are bad. Some are even necessary. But inability to switch from acting habitually to acting in a deliberate way can underlie addiction and obsessive compulsive disorders. Working with a mouse model, an international team of researchers demonstrates what happens in the brain for habits to control behavior.
At least 50 percent of the tallgrass prairie in the Flint Hills is burned every three to four years or less frequently and is susceptible to becoming shrubland if fire frequencies are not increased.
While the latter half of the 20th century showed a widening gap between the more and less educated with respect to marriage and fertility, this trend has not significantly altered the genetic makeup of subsequent generations, a team of researchers has found.
A team of University of Wisconsin-Madison engineers has created the world's fastest stretchable, wearable integrated circuits, an advance that could drive the Internet of Things and a much more connected, high-speed wireless world.
A study of more than 6,000 marine fossils from the Antarctic shows that the mass extinction event that killed the dinosaurs was sudden and just as deadly to life in the polar regions.
Drexel scientists have discovered an unusual mechanism for how two antimalarial drugs kill Plasmodium parasites. Amidst growing concerns about drug resistance, these findings could help to develop more effective drugs against the disease.
A Utah mountainside collapsed 4,800 years ago in a gargantuan landslide known as a “rock avalanche,” creating the flat floor of what is now Zion National Park by damming the Virgin River to create a lake that existed for 700 years.
Spring snowpack, relied on by ski resorts and water managers throughout the Western United States, may be more vulnerable to a warming climate in coming decades, according to a new University of Utah study.
Paleobiologist Susannah Porter finds evidence of predation in ancient microbial ecosystems dating back more than 740 million years.
Scientists at the Duke Cancer Institute have identified a molecular key that breast cancer cells use to invade bone marrow in mice, where they may be protected from chemotherapy or hormonal therapies that could otherwise eradicate them.
In a computational analysis of the words used by more than 65,000 consenting Facebook users in some 10 million messages, it was discovered that women use language that is warmer and more agreeable than men.
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