News

Laser
Mar 01, 2012 09:34 AM EST

New Laser can Point the Way to New Energy Harvesting

New ultrafast laser equipment, capable of generating intense pulses of light as short as a few femtoseconds from the UV to the Infra Red, will help scientists at the University of East Anglia (UEA) measure how energy is transferred from molecule to molecule and point the way to molecular structures ...

Floods in Northwestern Tunisia
Mar 01, 2012 09:10 AM EST

Floods in Northwestern Tunisia

A combination of melting snow, overflowing rivers, and heavy rains flooded parts of northwestern Tunisia in late February 2012. The Tunisian Army evacuated residents of multiple towns in the region of Tunis, according to Tunisia Live. Flood waters reached rooftops in some areas, and at least one veh...

Volcanic Activity in the Red Sea
Mar 01, 2012 09:04 AM EST

Volcanic Activity in the Red Sea

Volcanic activity in the Zubair Island Group appears to have ceased. Satellites detected sulfur dioxide and a small volcanic plume on December 19, 2011, and by December 23 a new island had formed in the Red Sea

Osterporosis
Mar 01, 2012 08:59 AM EST

Osteoporosis Experts Urge Bone Density Testing More Frequently for Women at Risk

Although a recent study suggests that women with normal results on dual-energy X-ray absorptiometry (DXA) scans at ages 67 and older may wait up to 15 years for a second test, a Viewpoint article published today in the Journal of Bone and Mineral Research (JBMR) cautions that such a lengthy interval...

Woman
Mar 01, 2012 08:45 AM EST

Postmenopausal Women at Greater Risk of Stroke From High Trans Fat Intake

New research shows an increased risk of ischemic stroke in postmenopausal women who consume higher amounts of trans fatty acids, commonly found in baked goods, fried foods, and packaged products. Study findings now available in Annals of Neurology, a journal published by Wiley-Blackwell on behalf of...

How-to Skin Check Video Alerts Older Men on Importance of Skin Checks
Mar 01, 2012 08:08 AM EST

Study: Sleep Gets Better with Age, Not Worse

Aging does not appear to be a factor in poor sleep, a new survey of more than 150,000 Americans shows. In fact, subjective sleep quality seems to improve over a lifetime, with the fewest complaints coming from people in their 80s.

4 Life Stages of the Pecan Weevil
Mar 01, 2012 07:32 AM EST

Pecan Weevil Biology, Management and Control Strategies

The pecan weevil, Curculio caryae (Horn), is a major pest of pecans throughout the southeastern United States, as well as portions of Texas and Oklahoma. In "Biology and Management of the Pecan Weevil (Coleoptera: Curculionidae)," (http://bit.ly/xrqS3d) a new article appearing in the Journal of I...

NASA Visible Look at Cyclone Irina
Mar 01, 2012 07:26 AM EST

NASA Satellite Sees Tropical Cyclone Irina Headed for Mozambique

Visible and Infrared satellite imagery together provide a clearer picture of what a tropical cyclone is doing. NASA's Aqua satellite passed over newly strengthened Cyclone Irene and captured both types of images, which showed the extent and power of the storm.

Arctic Sea Ice
Mar 01, 2012 07:18 AM EST

NASA Finds Thickest Parts of Arctic Ice Cap Melting Faster

A new NASA study revealed that the oldest and thickest Arctic sea ice is disappearing at a faster rate than the younger and thinner ice at the edges of the Arctic Ocean's floating ice cap.

Several Forms of Vitamin E Protect Against Memory Disorders
Mar 01, 2012 07:11 AM EST

Reversing Alzheimer's Gene 'Blockade' Can Restore Memory, Other Cognitive Functions

MIT neuroscientists have shown that an enzyme overproduced in the brains of Alzheimer's patients creates a blockade that shuts off genes necessary to form new memories. Furthermore, by inhibiting that enzyme in mice, the researchers were able to reverse Alzheimer's symptoms.

Manakin Birds of Central America
Feb 29, 2012 03:53 PM EST

Why Birds of a Feather Lek Together

Certain kinds of male birds gather into small clusters of land called leks to perform their courtship dances, and according to science, who they choose to associate with matters. A new study by University of Miami Evolutionary Biologist J. Albert Uy and his collaborators finds that some male birds a...

Expression of Gene Key to Insect Metamorphosis
Feb 29, 2012 03:47 PM EST

Scientists Learn how Insects 'Remodel' Their Bodies between Life Stages

It's one of life's special moments: a child finds a fat caterpillar, puts it in a jar with a twig and a few leaves, and awakens one day to find the caterpillar has disappeared and an elegant but apparently lifeless case now hangs from the twig.

Real Time Analytics