Wildlife officials don't usually base hunting policy on the public's view about an animal. But the black bear seems to be different — it has bounced back from near-extinction to being a nuisance in some areas. Now the question is, would people rather live with bears, or keep their numbers in check?
As many of the nation's highways continue to deteriorate, the funds to fix them are dwindling. In California, researchers are developing next-generation pavements that are quieter, more durable and more fuel-efficient, all on a tight budget.
The number of deaths from breast cancer has gone down, but the rate of new cases remains about the same. One family has had three generations of women survive the disease. A two-time survivor in that family sometimes hears, "There's so much money that's given all the time, why can't they find a cure?"
Do-it-yourselfers have made everything from bamboo bicycles to 3-D printers, but nothing as ambitious as the Open Source Ecology project. On a farm in northwest Missouri, tractors and other industrial machines are made from scratch, with detailed plans on how to do it yourself shared online.
Fifty years ago, John Glenn was alone on top of a rocket waiting to blast into space and around Earth. In these times, when people can become suddenly famous for doing so little, Glenn's flight is a timeless reminder that the most amazing and marvelous inventions won't work without human skill and daring.
Research that produced genetically altered bird flu viruses that could pose a danger to people should remain on hold for now. But a panel of experts recommended the details of the experiments should be published.
The WHO upheld its guidelines on the safety of hormone injections for contraception yesterday, despite some data that users are at increased risk of HIV transmission. An expert panel says the evidence isn't solid yet, and at-risk couples should use a second method, like condoms, for HIV prevention.
Military bases in the California desert could host seven gigawatts of solar power installations--roughly equivalent to the output of seven nuclear plants--according to a study commissioned by the Department of Defense. Study director Robert Kwartin discusses the report.
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