Genetics

Single gene change increases mouse lifespan by 20 percent

By lowering the expression of a single gene, researchers at the National Institutes of Health have extended the average lifespan of a group of mice by about 20 percent—the equivalent of raising the average human lifespan ...

Health

Studies offer no clear answers on safety of cellphone use

Two government studies that bombarded rats and mice with cellphone radiation found a weak link to some heart tumors, but scientists and federal regulators say don't worry—it is still safe to use your device.

Neuroscience

Neuroscientists reverse memories' emotional associations

Most memories have some kind of emotion associated with them: Recalling the week you just spent at the beach probably makes you feel happy, while reflecting on being bullied provokes more negative feelings.

Medical research

A deeper take on our sexual nature

The organs in our body may have a sexual identity of their own, new research suggests. The idea that our organs could be "male" or "female" raises the possibility that women and men may need different treatments as a result. ...

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