Stress makes your hair go gray

Those pesky graying hairs that tend to crop up with age really are signs of stress, reveals a new report in the June 12 issue of Cell.

It's not over when it's over: Storing sounds in the inner ear

Research shows that vibrations in the inner ear continue even after a sound has ended, perhaps serving as a kind of mechanical memory of recent sounds. In addition to contributing to the understanding of the complex process ...

US probes mystery disease killing Arctic seals

US scientists are hoping to uncover answers behind a mysterious disease that has emerged in Arctic seal populations, causing skin lesions, lethargy and death, officials said Friday.

Surviving dance club music (noise) with hearing intact

By tweaking a system in the ear that limits how much sound is heard, a global team of researchers has discovered one alteration that shows that the ability of the ear to turn itself down contributes to protecting against ...

A polar-bear-inspired material for heat insulation

For polar bears, the insulation provided by their fat, skin, and fur is a matter of survival in the frigid Arctic. For engineers, polar bear hair is a dream template for synthetic materials that might lock in heat just as ...

Stealth nanomedicines combat cancer and cut toxic effects of chemo

Nanomedicines—typically drugs hidden within nanoscopic fatty membranes ('liposomes')—have potential to transform chemotherapy treatments, improving drug delivery and reducing toxic side effects for thousands of cancer ...

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