GUARDIAN Are you 100% sure that you’re a mammal? Do you ever worry that you might be a moth or something? Well, fret no more, we’re here to help

NATURE OUTLOOK Biotechnology start-ups and pharmaceutical giants alike are charging ahead to develop therapies for the most serious form of non-alcoholic fatty liver disease.

NATURE OUTLOOK A progressive and potentially life-threatening condition previously associated with alcoholism is becoming more common — even in non-drinkers.

NATURE OUTLOOK. Alzheimer's disease and ageing brains could benefit from therapies based on blood's liquid component.

NATURE OUTLOOK. Advances in materials and techniques are restoring damaged body parts to full function.

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

NATURE OUTLOOK.  Personalized prescribing is gaining momentum, but is there enough evidence for it to become standard clinical practice? By Liam Drew

FRONTIERSIN.ORG.  Ronan the sea lion can keep the beat better than any other animal, a study published in Frontiers in Neuroscience found out more.

NEW SCIENTIST.  The dream of living to a ripe old age becomes a nightmare if your mind disintegrates en route. Yet there has been some much-needed good news about this condition, finds Liam Drew

SLATE. - LONG LISTED FOR THE BEST AMERICAN SCIENCE AND NATURE WRITING 2014

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

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

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.