Earth Flood risk from Antarctic ice 'overestimated' Cross section of the West Antarctic ice sheet showing the bedrock and the Filchner Ronne ice shelf on the left and the Ross ice shelf on the right. Some of the West Antarctic ice shelf will stay land bound, but the rest could collapse into the sea The precariously moored West Antarctic ice sheet probably … News
Earth Growing biofuel without razing the rainforest Marcos Buckeridge is Professor of Plant Physiology at São Paulo University, São Paulo, Brazil. He argues that Brazil can produce huge amounts of biofuel without razing its rainforests You can't grow biofuel without cutting down trees, right? Not so, says plant scientist Marcos Buckeridge who tells Jan Rocha how Brazil can supply the world with … Opinion
Space The 10-year quest to take a picture of a black hole The Sagittarius A* supermassive black hole, as seen by the Chandra X-ray Observatory. Nobody has yet seen the black hole directly LIKE a giant pale blue eye, the Earth stares at the centre of our galaxy. Through the glare and the fog it is trying to catch a glimpse of an indistinct something 30,000 light … Features
Enigma Number 1546 Mini-tangram Joe cut out a cardboard rectangle 12.5 cm by 8 cm. He asked Penny to cut it into two pieces with one straight cut and then, with a second straight cut, to cut one of the pieces into two. Her problem was to work out where to make the cuts so that the three … Regulars
Yikes! These bits of wood are amazing! READER William Bowden points us to adverts which offer hi-fi buffs the opportunity to pay $2400 for some bits of wood to put under their audio equipment. Not just any old wood, of course, but unspecified special wood for a Harmonix "Tuning System Board" that makes things sound better. Intrigued, we wondered how this could … Regulars