Technology Floating nanowires zoom in on micro-world A NANOWIRE suspended in an invisible "force field" of laser radiation could soon be peering into biological samples, taking low-cost snapshots of viruses and proteins with unprecedented resolution. The microscope works by scanning the superfine tip of the nanowire over an object, all the while emitting a beam of laser light from the end of … News
Earth How the obesity epidemic is aggravating global warming WE KNOW the world is warming and we know humans are causing it, but the headaches really start when we try to predict how hot it will get. This is partly because of the many subtle environmental and lifestyle factors driving climate change. One of these is the feedback that could amplify warming. Once the … Opinion
Life Histories: Neither black nor white but both "He must be seen, to convince it is not in the power of language to convey an adequate description of this Fanciful child of nature, formed in her most playful mood." In September 1810, George Alexander Gratton was one of the biggest draws at London's Bartholomew Fair. For centuries people had flocked to the fair … Features
High-powered careers in the energy industry Where next? FOR any scientist working in energy, these are exciting times. New career paths are emerging right across the industry, from cutting coal power's carbon emissions to harnessing the power of the tides. With so much variety, the tricky part is predicting where your career choices today will take you 10 years down the … Careers
Feedback Trust me, I'm oxytocin TWO years ago New Scientist reported Swiss research showing that a sniff of the hormone oxytocin caused people to be more trusting (4 June 2005, p 7). It made male Swiss students give money to strangers in the belief they would give it back, even though the strangers had every reason … Regulars