When melting sodium at high pressures, the material goes through a transition in which its electrical conductivity drops threefold. In a series of new calculations, Lawrence Livermore National Laboratory scientists describe the unusual melting behavior of dense sodium.

Melting Arctic sea ice has shrunk to a 29-year low, significantly below the minimum set in 2005, according to preliminary figures from the National Snow and Ice Data Center, part of the University of Colorado at Boulder. NASA scientists, who have been observing the declining Arctic sea ice cover since the earliest measurements in 1979, are working to understand this sudden speed-up of sea ice...

Researchers at the Centre for Addiction and Mental Health (CAMH) have clarified the link between alcohol consumption and the risk of head and neck cancers, showing that people who stop drinking can significantly reduce their cancer risk.

Two years ago, NASA's Deep Impact spacecraft blasted a hole in Comet Tempel 1, offering researchers their first look inside a comet. One small problem: The cloud of debris was so thick no one could clearly see the crater. But now the dust has cleared and another NASA spacecraft is returning to the scene to examine the hole Deep Impact wrought.

Engineers at Ohio State University have found a way to turn discarded chicken eggshells into an alternative energy resource.

Barcelona, Spain: A new drug has shown promise in patients with advanced kidney cancer whose options run out after their tumour fails to respond to the cutting edge therapy.

The reentry capsule for the Foton-M3 spacecraft, which has been in low-Earth orbit for the last 12 days, successfully landed this morning in an uninhabited area 150 km south of the town of Kustanay in Kazakhstan, close to the Russian border, at 09:58 CEST, 13:58 local time.

Two of Britain's best known scientists proposed Wednesday to curb global warming by sowing the world's oceans with thousands, perhaps millions, of giant vertical pipes 100-to-200 meters deep.

If our planet did not have the ability to store oxygen in the deep reaches of its mantle there would probably be no life on its surface. This is the conclusion reached by scientists at the University of Bonn who have subjected the mineral majorite to close laboratory examination. Majorite normally occurs only at a depth of several hundred kilometres under very high pressures and temperatures.

Motorola presented a mobile WiMAX experience last night that included live handoffs during an exclusive cruise along the Chicago River for media and industry analysts in town to attend WiMAX World USA. Attendees experienced uninterrupted mobile applications including web browsing, voice over IP (VoIP) calls, video streaming and MobiTV while moving past access point sites along the route of the...

Smallpox is older than thought, according to results of a new technique reported in the Sept. 24 issue of the Proceedings of the National Academy of Sciences by researchers from Lawrence Livermore National Laboratory and the Centers for Disease Control (CDC).

Analyses conducted by researchers from Université Laval`s Center for Northern Studies reveal that the continent`s northernmost lake is affected by climate change. In an article to be published in the September 28 edition of Geophysical Research Letters, the international research team led by Université Laval scientists Warwick Vincent and Reinhard Pienitz reports that aquatic life in Ward Hunt...

The same technology that allows easy sharing of music, movies and other content across a network also allows government and media companies easy access to who is illegally downloading that content.

A research team led by San Jose State University and the University of California, Santa Barbara has discovered forests of a species of kelp previously thought endangered or extinct in deep waters near the Galapagos Islands. The discovery has important implications for biodiversity and the resilience of tropical marine systems to climate change. The research paper describing the discovery is...

The Smithsonian`s National Zoo recently acquired 12,000 new animals—microscopic Elkhorn coral larvae harvested by National Zoo scientists in Puerto Rico—as part of an international collaborative program to raise the threatened species. National Zoo scientists hope to one day return the animals, once they are grown, to their wild ocean habitat.

The energy alternative company Solio will release a hand-held solar battery recharger on October 15, 2007. The sleek new design is for use on virtually all electronic devices. It comes with an adaptor tip that can fit into any USB port or charge directly from the sun. The best part is the price. It will sell for less than 80 USD.

University of St Andrews astronomers have succeeded in tracing the magnetic web that binds newly forming stars to their surrounding gas and dust. The findings will improve understanding of how stars, including the Sun, form.

New research has yielded a clearer picture of which biomarkers could help doctors more precisely target the treatment of colon cancer, bringing closer the day when patients who will not benefit from chemotherapy are spared it, while those that will, get the more aggressive treatment they need.

A new pilot clinical trial to test bone marrow stem cell therapy with a small group of patients with multiple sclerosis has started at Frenchay Hospital. The aim of the trial, conducted by the University of Bristol and North Bristol NHS Trust, is to find out what effects, good or bad, it has on patients with MS, and their disability.

Are there times when it is better to simply give up? Psychologists have been exploring this question, and more specifically a possible link between tenacity and both physical and mental health.

Two major steps toward putting quantum computers into real practice — sending a photon signal on demand from a qubit onto wires and transmitting the signal to a second, distant qubit — have been brought about by a team of scientists at Yale. The accomplishments are reported in sequential issues of Nature on September 20 and September 27, on which it is highlighted as the cover along with...

Samsung Electronics, South Korea's best-known company and one of the world's leading manufacturers of mobile phones, is embroiled in a court battle with a local food supply chain over an Internet domain name, news reports said here Wednesday.

Partners in the international space station are arguing about when to shut it even though the orbital platform, billed as the most successful joint space endeavour, is not fully assembled.

Social networking sites like Facebook have wooed millions of users with their easy format for keeping in touch but left them navigating the pitfalls of interacting online -- is it really private?