Proceedings of the National Academy of Sciences

Concert cacophony: Short-term hearing loss protective, not damaging

Contrary to conventional wisdom, short-term hearing loss after sustained exposure to loud noise does not reflect damage to our hearing: instead, it is the body's way to cope.

Medical research created Apr 15, 2013 | popularity 3 / 5 (2) | comments 1 | with audio podcast

Cancer cell metabolism kills

Adenosine-5'-triphosphate (ATP) is the main energy source for all forms of work inside our cells. Scientists from the University of Helsinki, Finland, have found that even a short-term shortage of ATP supply ...

Cancer created Apr 15, 2013 | popularity 5 / 5 (7) | comments 0 | with audio podcast

New surprising finding could alter the face of dengue vaccine development

As efforts to create a strong and effective vaccine for the dreaded dengue virus continue to hit snags, a new study from researchers at the La Jolla Institute for Allergy & Immunology offers surprising evidence that suggests ...

Diseases, Conditions, Syndromes created Apr 15, 2013 | popularity not rated yet | comments 0 | with audio podcast

Discovery points to new approach to fight dengue virus

Researchers have discovered that rising temperature induces key changes in the dengue virus when it enters its human host, and the findings represent a new approach for designing vaccines against the aggressive ...

Diseases, Conditions, Syndromes created Apr 11, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

A novel surface marker helps scientists 'fish out' mammary gland stem cells

Stem cells are different from all other cells in our body because they retain the remarkable genetic plasticity to self-renew indefinitely as well as develop into cell types with more specialized functions. However, this ...

Cancer created Apr 11, 2013 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Despite what you may think, your brain is a mathematical genius

The irony of getting away to a remote place is you usually have to fight traffic to get there. After hours of dodging dangerous drivers, you finally arrive at that quiet mountain retreat, stare at the gentle ...

Neuroscience created Apr 11, 2013 | popularity 4.5 / 5 (10) | comments 2 | with audio podcast

Researchers engineer 'protein switch' to dissect role of cancer's key players

Researchers at the University of North Carolina at Chapel Hill School of Medicine have "rationally rewired" some of the cell's smallest components to create proteins that can be switched on or off by command. ...

Cancer created Apr 10, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New genetic link found between normal fetal growth and cancer

Two researchers at the National Institutes of Health discovered a new genetic link between the rapid growth of healthy fetuses and the uncontrolled cell division in cancer. The findings shed light on normal development and ...

Genetics created Apr 09, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New study finds plant proteins control chronic disease in Toxoplasma infections

A new discovery about the malaria-related parasite Toxoplasma gondii—which can threaten babies, AIDS patients, the elderly and others with weakened immune function—may help solve the mystery of how th ...

Medical research created Apr 08, 2013 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Research advances therapy to protect against dengue virus

Nearly half of the world's population is at risk of infection by the dengue virus, yet there is no specific treatment for the disease. Now a therapy to protect people from the virus could finally be a step ...

Diseases, Conditions, Syndromes created Apr 08, 2013 | popularity not rated yet | comments 0 | with audio podcast

Penis size does matter to women, researchers say in PNAS study (w/ Video)

The eternal question of whether penis size matters to women has been probed by a team of international scientists who reported on Monday that yes, ladies do find larger men more attractive.

Psychology & Psychiatry created Apr 08, 2013 | popularity 3.6 / 5 (22) | comments 23

Adding intestinal enzyme to diets of mice appears to prevent, treat metabolic syndrome

Feeding an intestinal enzyme to mice kept on a high-fat diet appears to prevent the development of metabolic syndrome – a group of symptoms associated with type 2 diabetes, cardiovascular disease and fatty liver – and ...

Medical research created Apr 08, 2013 | popularity 3 / 5 (2) | comments 0 | with audio podcast

Moving cells with light holds medical promise

Scientists at Washington University School of Medicine in St. Louis have shown they can coax cells to move toward a beam of light. The feat is a first step toward manipulating cells to control insulin secretion ...

Medical research created Apr 08, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Protein's well-known cousin sheds light on its gout-linked relative

Johns Hopkins scientists have found out how a gout-linked genetic mutation contributes to the disease: by causing a breakdown in a cellular pump that clears an acidic waste product from the bloodstream. By comparing this ...

Medical research created Apr 08, 2013 | popularity not rated yet | comments 0 | with audio podcast

Study reveals how melanoma evades chemotherapy

Nitric oxide (NO), a gas with many biological functions in healthy cells, can also help some cancer cells survive chemotherapy. A new study from MIT reveals one way in which this resistance may arise, and ...

Cancer created Apr 08, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast