Medical research

Solving a biological puzzle: How stress causes gray hair

When Marie Antoinette was captured during the French Revolution, her hair reportedly turned white overnight. In more recent history, John McCain experienced severe injuries as a prisoner of war during the Vietnam War—and ...

Immunology

Gut throws cells overboard when chemical insults build up

A team of Duke researchers has discovered that cells lining the gut of zebrafish—and probably humans too—have a remarkable defense mechanism when faced with certain kinds of toxins: they hit the eject button.

Medical research

Lab-grown stem cells regenerate monkey hearts: study

In a step forward for organ regeneration, stem cells grown from a single monkey's skin cells revitalised the damaged hearts of five sick macaques, scientists reported Monday.

Neuroscience

First-ever restoration of vision achieved in mice

Experiments conducted under the leadership of a Stanford University School of Medicine investigator have succeeded, for the first time, in restoring multiple key aspects of vision in mammals.

Neuroscience

'Chemical earmuffs' could prevent hearing loss

Once you start to lose your hearing, you can't get it back. But what if you could prevent hearing loss by blocking in advance the effects of loud noises?

Genetics

Scientists link rapid brain growth in autism to DNA damage

Researchers at the Salk Institute have discovered a unique pattern of DNA damage that arises in brain cells derived from individuals with a macrocephalic form of autism spectrum disorder (ASD). The observation, published ...

Diseases, Conditions, Syndromes

Consequences of Zika virus infection on glial cells

Studies regarding the brain damage caused by the Zika virus have revealed the virus' predilection for a certain neural cell: the astrocyte. However, few studies have sought to identify the infection effects on these cells, ...

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