Microbiota: Reseeding the gut

NATURE OUTLOOK.  Transplants of faecal matter have done wonders for the treatment of certain gastrointestinal infections. Will they ever work for inflammatory bowel disease? ByLiam Drew

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Two hundred steps

NATURE OUTLOOK.  In the 200 years since Parkinson's disease was first described, the understanding and management of the disease has come a long way. But researchers have yet to unlock all of its secrets. By Liam Drew.

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The Scrotum is Nuts

SLATE.  Why are testicles kept in a vulnerable dangling sac? It's not why you think.  By Liam Drew

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Wonder of Slumber

NEW SCIENTIST.  Why we sleep is one of life’s enduring mysteries.  Liam Drew dives in.

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'Bye, Nan. Thanks for everything.'

GUARDIAN.  Liam Drew's grandmother became ill, at 80, just before he moved to the US. He knew their farewell might be permanent – so he wrote her a letter, and delivered it by hand.

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