Technology Fake fingers no match for scanner's electronic nose FINGERPRINT scanners, increasingly used for everything from improving security at airports to preventing cellphone theft, can be fooled by fake fingers made of silicone, gelatine and even Play-Doh. Biometrics experts are working on ways to beat the fraudsters, and one of the latest takes a sensuous approach: an "electronic nose" that can distinguish the unique … News
Space What we learned on Mars IT WAS supposed to be a 100-day mission to a planet that eats spacecraft for breakfast. But NASA's twin rovers, Spirit and Opportunity, have now spent two years toddling around the frigid wasteland that is Mars. They have survived more than seven times as long and driven 10 times as far as they were designed … Opinion
ÎçÒ¹¸£Àû1000¼¯ºÏ Special feature: The bird flu threat Flu is no big deal. Why are we suddenly being warned about a deadly pandemic? They won't like this in Kansas, but it's all down to evolution. Flu is such a successful virus that each year almost everyone on Earth is exposed, and about a third of us get sick. It is by no means … Features
Physics The Number Devil by Hans Magnus Enzensberger Each chapter of Hans Magnus Enzensberger's The Number Devil (Granta, £6.99) recounts a dream encounter between a 12-year-old who hates mathematics and the number devil. Their slick tricks bring the subject alive, but you may want to keep a calculator to hand. The calculator may also come in useful when analysing the data in Women … Books & Arts
Feedback The stranger the battle THE stranger the battle, the better the game, or so hopes Zygote Games of Hadley, Massachusetts, which has just introduced "Bone Wars". Players take on the roles of legendary palaeontologists Edward Cope, O. C. Marsh, Charles Sternberg and Barnum Brown, all competing to find dinosaur bones, name fossils and accumulate scientific … Regulars