Cardiology

Unlocking a cell's potential to regenerate the heart

Some organisms have a remarkable capacity for regenerating tissue. If a fish or salamander suffers heart damage, for instance, their cells are able to divide and successfully repair the injured organ. Imagine if you could ...

Medical research

Some skin cancers may start in hair follicles

Some of the most deadly skin cancers may start in stem cells that lend color to hair, and originate in hair follicles rather than in skin layers, a new study finds.

Medical research

Researchers regrow hair on wounded skin

By stirring crosstalk among skin cells that form the roots of hair, researchers report they have regrown hair strands on damaged skin. The findings better explain why hair does not normally grow on wounded skin, and may help ...

Neuroscience

Is tinnitus causing that ringing in your ear?

Have you ever experienced a constant ringing in your ears that you can't pinpoint the cause? It might be tinnitus ('tin-ni-tus) - the sensation of hearing a sound when no external sound is present. In most cases, tinnitus ...

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