Evidence fades for killer meteorite impact THE world's largest mass extinction at the end of the Permian period 251 million years ago was probably not caused by a massive asteroid impact, despite recent claims that it was. The case for an impact seemed to be strengthened earlier this year when researchers claimed to have found evidence of meteorite impacts dating back … News
Editorial: Drug trials should be out in the open IT IS unfashionable, but it needs to be said: antidepressant drugs save lives. The brain is a physical machine, and when it goes wrong it is sometimes possible to fix it. That said, antidepressants are rather blunt instruments, and they need close watching. Often they are no better at treating depression than non-drug therapy; sometimes … Opinion
The curious bones of Peru's gentle giants CHARLES MERBS likes nothing better than a pile of old bones. And if the person they belonged to was getting on a bit, so much the better. Merbs is an anthropologist and pathologist who specialises in reconstructing people's occupations and lifestyles from their skeletons – and the older they were when they died the more … Features
Four new tales in science fiction SCIENCE fiction is abandoning near-future speculation to head for the stars, transporting us to distant reaches of space and time, revelling in the thrill of exploring ideas. The one to follow is Iain M. Banks. His latest book, The Algebraist, is enormous fun, and set far, far in the future. The Mercatoria rules a galactic … Books & Arts
Feedback Mystical balls FEEDBACK has been discussing probability with friends. Inevitably, we got onto the subject of lotteries – and particularly whether "systems" could work. A popular suggestion was to pick numbers that hadn't come up recently. Stands to reason, people said: if the draw is fair, eventually each number must come up as often as … Regulars