Life Four wings bad, two wings better – for early birds A confuciusornithid sporting the fashionable feathers of the time Before birds could fly on two wings, they had to ditch their training wings. This idea, first put forward a decade ago, is gaining credence with the discovery of 11 early bird fossils that seem to suggest that birds – which evolved from feathered dinosaurs – … 51¶¯Âþ
Life Banks gone bad: Our evolved morality has failed us We seem to be unable to punish bankers for their scandalous behaviour. That's because our moral instincts can’t cope, says a professor of biological sciences and anthropology Opinion
Technology Plasma-surfing could forge Higgs bosons on the cheap Plasma wakefield accelerators want the green light to scale up It is now officially a Higgs boson , but squeezing any more information out of the particle discovered last year looks tough . At least using the Large Hadron Collider at CERN. With major hurdles to building a larger atom smasher, future colliders may be … 51¶¯Âþ
Glider of the sea threatened by 'traditional' medicine See more: To see the image this article refers to, keep checking Picture of the Day on our news blog Short Sharp Science IF YOU ever happen to be swimming in the tropics and see this 2-tonne beast gliding towards you , don't panic. Despite the large mouth it's not interested in eating you for … Regulars
Space End of darkness: The stuff that really rules the cosmos Shaken and stirred YOU'D think Carlos Frenk would be pleased that no one calls him a crackpot any more. He wasn't always so lucky. "I would stand up at conferences and have people almost throwing rotten tomatoes at me," he says. His offence was to be an ardent advocate of a then controversial idea – … Features
Enigma Number 1741 Four squares I have before me five two-digit numbers, with no leading zeros. All the digits are different and none of the numbers is prime. The sum of the five numbers is a perfect square. If I remove one of the numbers, the sum of the remaining four is also a perfect square. If I … Regulars
Feedback: Biology book only costs $23 million Biology book only costs $23 million BIOLOGIST Peter Lawrence was thrilled to discover how highly valued his classic book The Making of a Fly seemed to be. We found this out when reader Colin MacLeod alerted us to a blog post by biologist Michael Eisen which forensically deconstructs how Lawrence's thrill came to pass. Fascinated, … Regulars