I tried to post this last night before the power went down on LJ's servers.
New Scientist Tech - NanotechnologyNanotubes strengthen artificial muscles - BEST known as the ultra-strong material that might one day form the cables of a "space elevator" capable of raising people into Earth orbit, carbon nanotubes also have a springy side. The discovery that nanotubes keep bouncing back after being compressed repeatedly means this exotic form of carbon may be just the thing to give artificial muscles some extra strength |
New Scientist - Energy and FuelsExfoliation produces lighter, cheaper solar cells - An ultra-thin solar cell that could provide a cheaper, lighter alternative to existing devices has been created by researchers in the US. James Zahler from Aonex Technologies, together with colleagues from Harry Atwater's group at the California Institute of Technology and researchers at EMCORE PhotoVoltaics made the device by replacing the relatively thick semiconductor substrate normally used in solar cells with a thin "wafer-bonded" substrate. This means the new device is considerable cheaper and lighter than conventional solar cells. |
New Scientist - GeneticsGenetic variation may lower HIV load by 90% - A small genetic mutation in the section of human DNA that codes for immune proteins appears able to reduce the amount of HIV in the body by an average of 90%, new research suggests. Scientists say the finding points to new ways in which vaccines might one day help boost immune protection against the virus |
Technology Review Feed - Biotech Top Stories A Better Brain Scanner - New brain scanners promise to deliver images of higher resolution than any now available from a commercial instrument. By using multiple sensors placed close to the head, the device can generate accurate images in less time, which could ultimately aid in the diagnosis of diseases such as Alzheimer's and epilepsy. Medical imaging giant Siemens is developing a commercial version of the technology. |
 Saving Neurons and Memories - Scientists have shown that a gene called SIRT1 and a plant compound found in red wine called resveratrol can protect against neuron degeneration in a mouse model of Alzheimer's disease and amyotrophic lateral sclerosis. The researchers demonstrated that activating SIRT1 and injecting resveratrol, which have both been previously associated with life-span extension in lower organisms, can also prevent cognitive problems in the mice. |
National Geographic News Queen Bees "Brainwash" Workers With Chemicals - A new study suggests the domineering matriarch regulates her daughters' brain activity to ensure her own survival. One of the parts of the pheromone is homovanillyl alcohol (HVA). It interacts with a neurotransmitter called dopamine, which is found in the brains of insects and animals. In a mechanism that's still not understood, the pheromone may be able to block dopamine and prevent the young worker bees from avoiding negative stimuli. Worker bees - which surround and dote on the queen - are all female, and drone bees are male. |
ABC News: Technology Parents Steal Children's Identities - On paper, Randy Waldron Jr. was $2.5 million in debt and a convicted felon. He owed hundreds of thousands of dollars to credit card companies, owed back taxes to the state of Florida, and had liens and civil actions against him. In reality, Waldron was a 17-year-old high school junior living in New Hampshire, who in 1998 couldn't get a student loan for college or a credit card because his Social Security number had been stolen when he was just 1 year old. Making matters worse, the man who stole Waldron's identity was his father. |
Jetson-Like Flying Car in Production - Moller International, a company founded by a UC Davis professor devoted to developing a flying car, announced in a statement recently that it has begun production for its "Jetsons-like M200G Volantor, a small airborne, two passenger, saucer-shaped vehicle that is designed to take off and land vertically." |
Physics OrgScientists work to create nanogenerator - U.S. scientists are developing a nanogenerator -- a tiny device that produces electricity from flowing blood, pulsating blood vessels, or a beating heart. |
BBC News | Science/Nature | World Edition Antique engines inspire nano chip - The blueprint for a tiny, ultra-robust mechanical computer has been outlined by US researchers. The energy-efficient nano computer is inspired by ideas about computing first put forward nearly 200 years ago. Chips based on the design could be used in places, such as car engines, where silicon can be too delicate. |