ScienceDaily: Top News

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• Physicists, biologists unite to expose how cancer spreads
• New drug stimulates immune system to kill infected cells in animal model of hepatitis B infection
• Hitting 'reset' in protein synthesis restores myelination: Suggests new treatment for misfolded protein diseases such as Alzheimer's
• Battery of tests on cancer cells shows them as 'squishy,' yet tactically strong
• NASA mission to study what disrupts radio waves
• Competing pathways affect early differentiation of higher brain structures
• Weight loss programs via virtual reality
• Drivers education for older drivers remains for 2 years, researcher finds
• Sea surface temperatures reach highest level in 150 years on Northeast continental shelf
• Computer scientists suggest new spin on origins of evolvability: Competition to survive not necessary?
• Developmental neurobiology: How the brain folds to fit
• Intermittent fasting may help those with diabetes and cardiovascular disease, study suggests
• Fish win fights on strength of personality
• Protein shaped like a spider: Immune protein C4BP is potentially suitable as a transporter for drugs
• Movement of pyrrole molecules defy 'classical' physics
• Flu and bacteria: Better prognosis for this potentially fatal combination
• Scientists investigate release of bromine in polar regions
• New excavations in Sweden indicate use of fertilizers 5,000 years ago
• Scientists discover new way protein degradation is regulated
• Astronomer studies far-off worlds through 'characterization by proxy'
• U.S. health insurance survey: 84 million people were uninsured for a time or underinsured in 2012
• Cardio could hold key to cancer cure
• Bird navigation: Great balls of iron
• Racing car with electric drive
• Researchers 'capture' replication of human genome for first time

Physicists, biologists unite to expose how cancer spreads Posted: 26 Apr 2013 12:25 PM PDT A multi-institutional study has found that cancer cells that can break out of a tumor and invade other organs are more aggressive and nimble than nonmalignant cells.

New drug stimulates immune system to kill infected cells in animal model of hepatitis B infection Posted: 26 Apr 2013 12:25 PM PDT A novel drug developed and tested in an animal model suppresses hepatitis B virus infection by stimulating the immune system and inducing loss of infected cells.

Hitting 'reset' in protein synthesis restores myelination: Suggests new treatment for misfolded protein diseases such as Alzheimer's Posted: 26 Apr 2013 10:50 AM PDT Neuroscientists show how turning down synthesis of a protein improves nerve, muscle function in a common neuropathy. A potential new treatment strategy for patients with Charcot-Marie-Tooth disease is on the horizon. This research may also have relevance for other diseases that result from misfolded proteins, including Alzheimer's disease, Parkinson's, multiple sclerosis, Type 1 diabetes, cancer and mad cow disease.

Battery of tests on cancer cells shows them as 'squishy,' yet tactically strong Posted: 26 Apr 2013 10:50 AM PDT A team of student researchers and their professors from 20 laboratories around the country have gotten a new view of cancer cells. The work could shed light on the transforming physical properties of these cells as they metastasize.

NASA mission to study what disrupts radio waves Posted: 26 Apr 2013 08:56 AM PDT A NASA-funded sounding rocket mission will launch from an atoll in the Pacific in the next few weeks to help scientists better understand and predict the electrical storms in Earth's upper atmosphere These storms can interfere with satellite communication and global positioning signals.

Competing pathways affect early differentiation of higher brain structures Posted: 26 Apr 2013 08:56 AM PDT A new study shows how the strength and timing of competing molecular signals during brain development has generated natural and presumably adaptive differences in a brain region known as the telencephalon -- much earlier than scientists had previously believed.

Weight loss programs via virtual reality Posted: 26 Apr 2013 08:56 AM PDT There are many barriers that can interfere with weight loss. For those attending face-to-face weight loss programs, barriers can include travel, conflict with work and home, need for childcare, and loss of anonymity. In a new study investigators continue to explore alternative weight management delivery methods to eliminate some of these barriers. The solution they are investigating -- virtual reality for weight loss and weight maintenance.

Drivers education for older drivers remains for 2 years, researcher finds Posted: 26 Apr 2013 08:56 AM PDT In seeming contrast to the notion that the elderly often have memory problems, a new study finds driver retraining to be an effective strategy for improving the safe-driving habits of older drivers over the long term. Participants who received simulator training and video critiques of their driving performance two years prior increased their likelihood of scanning while negotiating an intersection by 100 percent.

Sea surface temperatures reach highest level in 150 years on Northeast continental shelf Posted: 26 Apr 2013 08:56 AM PDT Sea surface temperatures in the Northeast Shelf Large Marine Ecosystem during 2012 were the highest recorded in 150 years, according to new research. Temperature is also affecting distributions of fish and shellfish on the Northeast Shelf.

Computer scientists suggest new spin on origins of evolvability: Competition to survive not necessary? Posted: 26 Apr 2013 08:56 AM PDT Scientists have long observed that species seem to have become increasingly capable of evolving in response to changes in the environment. But computer science researchers now say that the popular explanation of competition to survive in nature may not actually be necessary for evolvability to increase.

Developmental neurobiology: How the brain folds to fit Posted: 26 Apr 2013 08:55 AM PDT During fetal development of the mammalian brain, the cerebral cortex undergoes a marked expansion in surface area in some species, which is accommodated by folding of the tissue in species with most expanded neuron numbers and surface area. Researchers have now identified a key regulator of this crucial process.

Intermittent fasting may help those with diabetes and cardiovascular disease, study suggests Posted: 26 Apr 2013 08:54 AM PDT Intermittent fasting is all the rage, but scientific evidence showing how such regimes affect human health is not always clear cut. Now a scientific review suggests that fasting diets may help those with diabetes and cardiovascular disease, alongside established weight loss claims.

Fish win fights on strength of personality Posted: 26 Apr 2013 08:54 AM PDT When predicting the outcome of a fight, the big guy doesn't always win suggests new research on fish. Scientists have found that when fish fight over food, it is personality, rather than size, that determines whether they will be victorious.

Protein shaped like a spider: Immune protein C4BP is potentially suitable as a transporter for drugs Posted: 26 Apr 2013 08:54 AM PDT The protein C4BP is similar to a spider in its spatial form with eight "arms." This leads the scientists to unconventional ideas -- the protein is possibly suitable as a scaffold for the transport of active pharmaceutical substances, particularly biomolecules.

Movement of pyrrole molecules defy 'classical' physics Posted: 26 Apr 2013 08:54 AM PDT Quantum laws loom ever larger in physical world as new research finds quantum phenomena in effect on a molecular level.

Flu and bacteria: Better prognosis for this potentially fatal combination Posted: 26 Apr 2013 08:54 AM PDT Scientists have provided insights into how much harm bacteria can cause to the lung of people having the flu. The results could prompt the development of alternative treatments for flu-related bacterial infections, to improve patient outcome and prevent permanent lung damage.

Scientists investigate release of bromine in polar regions Posted: 26 Apr 2013 08:48 AM PDT Researchers have employed a novel measurement device for new studies in Alaska.

New excavations in Sweden indicate use of fertilizers 5,000 years ago Posted: 26 Apr 2013 08:48 AM PDT Researchers have spent many years studying the remains of a Stone Age community in Karleby outside the town of Falköping, Sweden. The researchers have for example tried to identify parts of the inhabitants' diet. Right now they are looking for evidence that fertilizers were used already during the Scandinavian Stone Age, and the results of their first analyses may be exactly what they are looking for.

Scientists discover new way protein degradation is regulated Posted: 26 Apr 2013 08:46 AM PDT Researchers have identified the mechanism by which the cell's proteasome ramps up its activity to take care of unwanted and potentially toxic proteins. The finding has implications for treating muscle wasting and neurodegeneration, and suggests that small molecule inhibitors of this mechanism may be clinically useful in treating multiple myeloma.

Astronomer studies far-off worlds through 'characterization by proxy' Posted: 26 Apr 2013 08:46 AM PDT An astronomer is using Earth's interstellar neighbors to learn the nature of certain stars too far away to be directly measured or observed, and the planets they may host.

U.S. health insurance survey: 84 million people were uninsured for a time or underinsured in 2012 Posted: 26 Apr 2013 04:38 AM PDT 84 million people -- nearly half of working-age US adults -- went without health insurance for a time last year or had out-of-pocket costs that were so high relative to income they were considered underinsured.

Cardio could hold key to cancer cure Posted: 26 Apr 2013 04:38 AM PDT Regular exercise has been proven to reduce the chance of developing liver cancer in a world-first mice study that carries hope for patients at risk from hepatocellular carcinoma.

Bird navigation: Great balls of iron Posted: 26 Apr 2013 04:38 AM PDT Every year millions of birds make heroic journeys guided by the earth's magnetic field. How they detect magnetic fields has puzzled scientists for decades. Today, biologists have added some important pieces to this puzzle.

Racing car with electric drive Posted: 26 Apr 2013 04:37 AM PDT Drive technology has an electric future – of this research scientists are in no doubt. Scientists have developed an electric racing car with a novel solution for battery management and electronic sensor systems.

Researchers 'capture' replication of human genome for first time Posted: 25 Apr 2013 10:28 AM PDT Scientists have for the first time obtained a panoramic photo of the proteins that take part in human DNA division, a process known as replication.

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