Are male brains wired to ignore food for sex?

Choosing between two good things can be tough. When animals must decide between feeding and mating, it can get even trickier. In a discovery that might ring true even for some humans, researchers have shown that male brains ...

Targeting amyloid to stop HIV

(PhysOrg.com) -- Amyloid protein structures are best known for the troubles they pose in the brains of Alzheimer's patients. Now researchers are trying to exploit their presence in a very different place - in semen - to find ...

Flu's Evolution Strategy Strikes Perfect Balance

(PhysOrg.com) -- Scientists have uncovered the flu's secret formula for effectively evolving within and between host species: balance. The key lies with the flu's unique replication process, which has evolved to produce enough ...

Underlying instincts: An appetite for survival

Microscopic roundworms may hold the key to understanding what is happening in the brain when the instinct of an animal changes in order to survive. In a newly published paper in the journal Current Biology, University of ...

Perfect timing: Making the 'switch' from juvenile to adult

Very little is known about how the onset of puberty is controlled in humans, but the discovery of a new gene in the roundworm C. elegans could be the "missing link" that determines when it's time to make this juvenile-to-adult ...

Study links fracking, drinking water pollution, and infant health

New research documents for the first time the pollution of public water supplies caused by shale gas development, commonly known as fracking, and its negative impact of infant health. These findings call for closer environmental ...

Genetic switch potential key to new class of antibiotics

Researchers have determined the structure of a key genetic mechanism at work in bacteria, including some that are deadly to humans, in an important step toward the design of a new class of antibiotics, according to an accelerated ...

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