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Health & Medicine

Researchers find high leptin levels may protect against Alzheimer's disease and dementia

Dementia is increasingly recognized as a life-course illness where a variety of lifestyle choices interact with genetic, vascular and other risk factors to…

Physics & Astronomy

How erosion formed the Earth-like landscape on Titan, Saturn's moon

Today, at the American Geophysical Union fall meeting, Sklar and his team presented new measurements from tests on ice as cold as minus 170 degrees Celcius…

Earth Sciences

Climate Change Linked to Rising Hypoxia Levels Explored

The findings are intriguing as scientists are exploring whether climate change may be contributing to outbreaks of hypoxia – or extremely low oxygen levels –…

Health & Medicine

Canadian First: New Cardiac Pacemaker Implantation at MHI

The electrophysiology team at the Montreal Heart Institute (MHI) recently performed the first implantation of a new type of cardiac pacemaker (Accent RF™) in…

Life & Chemistry

Penn Researchers Discover Germ Cells Thrive in Transplants

The results indicate remarkable similarity between the gene expression and behavior of the ancient cells that govern reproduction, even between two species…

Physics & Astronomy

University of Toronto Physicists Advance Cooler, Faster Computing

“We discovered that by sculpting a unique artificial vacuum inside a photonic crystal, we can completely control the electronic state of artificial atoms…

Studies and Analyses

Arctic Coastline Erosion: 30-45 Feet Lost Annually

The conditions have led to the steady retreat of 30 to 45 feet a year of the 12-foot-high bluffs — frozen blocks of silt and peat containing 50 to 80 percent…

Earth Sciences

A unique geography — and soot and dust — conspire against Himalayan glaciers

The Himalayas, home to the tallest mountains on Earth, include more than 110 peaks and stretch 2,500 kilometers (1,550 miles). Bounded to the north by the…

Earth Sciences

New study turns up the heat on soot's role in Himalayan warming

Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and…

Earth Sciences

Tropical Storm Laurence Poised for Second Aussie Landfall

Laurence is forecast to make landfall in the Kimberley region, move southwest through the northern area of the Great Sandy Desert and into the Pilbara region. At 0900 UTC (4 a.m. ET) on December 14, Tropical Storm Laurence had maximum sustained winds near 52 mph and was located 185 miles west-southwest of Darwin, Australia. That's near 13.5 South and 127.8 East. It was moving west-southwest near 6 mph, in the direction of its second landfall. It was generating waves near 12 feet, so beach erosion along the northern coasts of Western Australia can be expected near where Laurence makes landfall in the next day….

Earth Sciences

Tropical Cyclone Mick Hits Fiji: Impacts and Recovery Update

Viti Levu authorities reported torrential rainfall and gale force winds that caused power outages. Fortunately, there were no casualties. The Fiji Times…

Physics & Astronomy

Hubble's Festive View of a Grand Star-Forming Region

The massive, young stellar grouping, called R136, is only a few million years old and resides in the 30 Doradus Nebula, a turbulent star-birth region in the…

Earth Sciences

Tropical Depression 05B Weakens Near Sri Lanka Coast

The Joint Typhoon Warning Center issued its final advisory on Tropical Depression 05B, also known as Tropical Storm Ward, on Sunday, December 13 at 2100 UTC (4…

Health & Medicine

New Toolkit Helps Combat Winter Influenza Cases

As communities brace for rising wintertime influenza cases, scientists are developing a mathematical and visual analytic toolkit to help health officials…

Earth Sciences

California’s troubled waters

New space observations reveal that since October 2003, the aquifers for California’s primary agricultural region – the Central Valley – and its major mountain…

Studies and Analyses

Innovative Techniques to Resist Temptation in Food Choices

Authors Ying Zhang, Szu-Chi Huang and Susan M. Broniarczyk (all University of Texas at Austin) studied techniques that enable us resist food and other…

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