Health Collagen corneas restore damaged sight Back to normal brightcove.createExperiences(); Video: Biosynthetic cornea People with damaged corneas have had their sight restored by implants made of collagen – which eventually anchor themselves into the recipient's eye. Corneal damage, which results in seriously blurred sight, is currently treated either by implanting corneas from a human donor – which are in short supply … News
Health What can deliver snakebite medicine where it's needed? What happens if you get bitten? Snakebites kill hundreds of thousands, so the scarcity of proper treatment is a global tragedy. Time to bring in the law, say Nick Brown and Dev Kevat SNAKEBITE is one of the world's most neglected health issues. In 2009, the World Health Organization (WHO) declared it a "neglected tropical … Opinion
Life What's in a name? The words behind thought The voice of reason? (Image: Katherine Streeter You think more words than you speak – perhaps because language really does shape the way we navigate the world THERE I go again, talking to myself. Wherever I am, and whatever I'm doing, words bounce around my head in an incessant chatter. I am not alone in … Features
Enigma Number 1611 Three sisters I have three aunts whose ages on their birthdays this year will each be a different prime. I would not dare to call them elderly, but at least one of them will be in her fifties. They were reminiscing that the last time their ages on their birthdays had all been prime in … Regulars
Whirling water forgets its nasty past Whirling water forgets its nasty past ACCORDING to homeopathy, water can "remember" a substance that has been added to it, even when the mixture is diluted to the point that not a single molecule of the stuff remains. But how can we be sure that the same water isn't also remembering all sorts of other … Regulars