Sunday, August 08, 2010

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News

Protein that shuttles RNA into cell mitochondria discovered

Posted: 08 Aug 2010 11:00 AM PDT

Researchers have uncovered a role for an essential cell protein in shuttling RNA into the mitochondria, the energy-producing "power plant" of the cell.

Alzheimer's disease: Some cells more prone to death

Posted: 08 Aug 2010 11:00 AM PDT

Scientists have discovered that hyperploid neurons, which have greater than the normal number of chromosomes, are more prone to cell death in Alzheimer's disease.

NOAA still expects active Atlantic hurricane season; La Niña develops

Posted: 08 Aug 2010 11:00 AM PDT

The Atlantic Basin remains on track for an active hurricane season, according to the scheduled seasonal outlook update issued Aug. 5, 2010 by NOAA's Climate Prediction Center. With the season's peak just around the corner -- late August through October -- the need for preparedness plans is essential.

Death dance reveals secrets of apoptosis in dissociated human embryonic stem cells

Posted: 08 Aug 2010 11:00 AM PDT

Researchers in Japan have unraveled the mystery of why human embryonic stem (ES) cells and induced pluripotent stem (iPS) cells undergo programmed cell death (apoptosis) when cultured in isolation. By unlocking the potential of cell therapy techniques, the discovery promises new hope to sufferers of debilitating degenerative diseases.

First satellite measurement of water volume in Amazon floodplain

Posted: 08 Aug 2010 11:00 AM PDT

For the first time, scientists have been able to measure the amount of water that rises and falls annually in the Amazon River floodplain. The result -- 285 billion metric tons, or 285 cubic kilometers of water by volume -- sounds like a lot. That amount is over half the volume of Lake Erie, which is the world's 15th largest lake.

Rushing too fast to online learning? Outcomes of Internet versus face-to-face instruction

Posted: 08 Aug 2010 11:00 AM PDT

A new study suggests simply putting traditional classes online may have negative consequences, especially for lower-performing and minority students.

NASA's great observatories witness a galactic spectacle

Posted: 08 Aug 2010 05:00 AM PDT

A new image of two tangled galaxies has been released by NASA's Great Observatories. The Antennae galaxies, located about 62 million light-years from Earth, are shown in a new composite image from the Chandra X-ray Observatory, the Hubble Space Telescope, and the Spitzer Space Telescope. The Antennae galaxies take their name from the long, antenna-like arms seen in wide-angle views of the system. These features were produced in the collision.

Light shed on triglyceride metabolism

Posted: 08 Aug 2010 05:00 AM PDT

New findings are offering new leads as to why some people might suffer from high levels of triglycerides. High triglycerides are a risk factor for atherosclerosis and cardiovascular disease. They can also lead to inflammation of the pancreas, the researchers said.

NASA instrument tracks pollution from Russian fires

Posted: 08 Aug 2010 05:00 AM PDT

Drought and the worst heat wave Russia has seen in 130 years have sparked a devastating outbreak of wildfires across the nation this summer, primarily in the country's western and central regions.

Surgery better than radiation, hormone treatments for some prostate cancer, study shows

Posted: 08 Aug 2010 05:00 AM PDT

Surgery for localized prostate cancer offers a significantly higher survival rate than either external-beam radiation or hormonal therapies, according to a new study.

Federal science report details fate of oil from BP spill

Posted: 08 Aug 2010 05:00 AM PDT

The vast majority of the oil from the BP oil spill has either evaporated or been burned, skimmed, recovered from the wellhead or dispersed much of which is in the process of being degraded. A significant amount of this is the direct result of the robust federal response efforts, according to a new report.

Tests help predict falls in Parkinson's disease

Posted: 08 Aug 2010 05:00 AM PDT

A group of tests may help predict which people with Parkinson's disease are more likely to fall, according to a new study.

NASA's hurricane quest set to begin

Posted: 06 Aug 2010 09:00 PM PDT

In less than two weeks, NASA scientists will begin their quest for the holy grail of hurricane research. The exact conditions required to kickstart a tropical depression into a hurricane largely remain a mystery. Though scientists know many of the ingredients needed, it is unclear what processes ultimately drive depressions to form into the intense, spinning storms that lash the U.S. coasts each summer.

NASA images show continuing Mexico quake deformation

Posted: 06 Aug 2010 09:00 PM PDT

New NASA airborne radar images of Southern California near the U.S.-Mexico border show Earth's surface is continuing to deform following the April 4 magnitude, 7.2 temblor and its many aftershocks that have rocked Mexico's state of Baja California and parts of the American Southwest.

More actions needed to help western Steller sea lion recover, fisheries experts say

Posted: 06 Aug 2010 09:00 PM PDT

NOAA's Fisheries Service says changes are needed to the areas where commercial fishermen may fish for groundfish off Alaska's Aleutian Islands to further promote the recovery of the western population of Steller sea lions, and to be in compliance with the Endangered Species Act.

'Delicious' invader: More fishing, higher consumption might help reverse lionfish invasion

Posted: 06 Aug 2010 09:00 PM PDT

A new study looking at how to curb the rapid growth of lionfish, an invasive species not native to the Atlantic Ocean, suggests that approximately 27 percent of mature lionfish will have to be removed monthly for one year to reduce its population growth rate to zero.
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