First Americans GENETIC data has backed up archaeological evidence for a relatively recent date for the arrival of humans in the Americas. Experts disagree over when humans reached the continent. Some evidence based on mitochondrial DNA suggests an early migration 30,000 to 40,000 years ago. But physical evidence for human occupation is shaky before about 13,000 years … 51¶¯Âþ
Humans Westminster diary PIRATE fishing ships are devastating populations of fish and seabirds in Antarctic waters. Fish destined for the table, like the boatload of Patagonian toothfish intercepted last month, are only part of the problem. Illegal catches of krill are also putting a wide range of sea life in peril (51¶¯Âþ, 26 July, p 10) . … Opinion
Play it live ARE you the kind of person who can't bear fingerprints on your DVDs? Do you flinch when someone picks up a CD as if it were a frisbee? Then don't lend your collection to Cameron Jones. Jones, a mathematician based at the Swinburne University of Technology in Melbourne, Australia, smears yogurt on CDs. He lets … Features
US biotech bounces back OVER the past three years, US biotech companies have absorbed hard knocks like a punch-drunk boxer, sending stock prices into a dizzying descent. But the market has rallied during 2003, proving you can never count biotech out. Corporate scandals, clinical trial failures, fewer drug approvals, deflated expectations of genome-inspired breakthroughs and a turbulent world economic … Careers
Feedback THE old adage that children should be seen and not heard has taken on a whole new meaning. Tiny tots of seven are now demanding mobile phones, and British parents are concerned because the government report on cellphone radiation risks by William Stewart advised a "precautionary approach", especially for children. Colin Blakemore, newly appointed chief … Regulars