| Natural Selection Cuts Broad Swath Through Fruit Fly Genome Fruit fly researchers showed that natural selection can change a species by making certain genes more common, rather than waiting for a powerful mutation to show up and sweep the species. feeds.nytimes.com |
$93,000 cancer drug: How much are a few months of life worth? Cancer patients, brace yourselves. Many new drug treatments cost nearly $100,000 a year, sparking fresh debate about how much a few months more ... rssfeeds.usatoday.com |
IBM program shows 'cash for chunkers' pays dividends Thousands of families ate healthier foods and exercised more, and their piggy banks got fatter. rssfeeds.usatoday.com |
Osteoarthritis: the curse of the sporting classes Osteoarthritis is often thought of as an ageing disease, but it also afflicts the young and the fit, says Jane Feinmann. telegraph.co.uk |
Essay: Why Sisterly Chats Make People Happier The key to why having sisters makes people happier — men as well as women — may lie not in the kind of talk they exchange but in the fact of talk. feeds.nytimes.com |