Earth Semiconductor uses the sun to split water Using hydrogen to power vehicles could free us from our reliance on fossil fuels, and water is its obvious source, but how to get one from the other? Now a semiconductor has been discovered that uses energy from sunlight to do this efficiently. The usual way to get hydrogen from water is by splitting the … 51¶¯Âþ
Technology Comment: Keep biodefence in the open DISTURBING secrets have been lurking in several US biodefence labs. In the past few weeks alone, some major violations of biosafety law at Texas A&M University have come to light, with unreported lab-acquired infections and unauthorised staff handling biological weapons agents among the breaches. Meanwhile, at the University of Wisconsin, Madison, researchers had been working … Opinion
Health How the world let malaria off the hook DDT is back. For more than three decades, the most effective chemical against malarial mosquitoes was virtually banned around the world. The ban, triggered by environmental concerns, torpedoed a campaign begun in the late 1950s to eradicate malaria from the planet. Since then, the disease has returned with a vengeance, killing more than 2 million … Features
Lab technicians: Increase your prospects TOBY SIMMONDS took an unconventional route to becoming a scientist. A struggling farmer with no farm, he returned home from one short-term contract too many and took a job in the canteen at Cancer Research UK's laboratories. After a conversation with a researcher at the charity, he found himself looking after fish in a new … Careers
Feedback The secret of the secret "ONE spring day towards the end of 2004, Rhonda Byrne discovered a secret – the secret laws and principles of the universe." Or so the Australian TV producer herself announces at www.thesecret.tv – which is, as suspicious readers may already have guessed, plugging a book and a DVD. These are … Regulars