Researchers reveal structure of itch receptors on cells

Ever wonder what's going on when you get itchy skin, whether from a rash or medication or some other bodily reaction? And why do some strong anti-itching medications make us nauseous, dry-mouthed zombies? Scientists at the ...

'Landmark' study probes crucial phase of embryo development

An unprecedented glimpse of the human embryo at an early stage of development has provided critical clues on how undifferentiated cells become the specialized ones of which we are made, researchers reported on Wednesday.

Understanding the skin's defense system

It can be easy to forget that the human skin is an organ. It's also the largest one and it's exposed, charged with keeping our inner biology safe from the perils of the outside world.

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