Some of the earliest science fiction imagined voyages to Mars. We now have the space-faring technology to make reaching the Red Planet possible. It would involve massive resources and many potential dangers, but some believe the rewards would be massive.
Some scientists say traditional remedies might help them crack diseases like cancer. Some notable successes include a treatment for a form of leukemia and an anti-malaria medicine that has become the gold standard. But there are more misses than hits.
Home wart-freezing devices can spark fires, the Food and Drug Administration warns, and people have been burned. People also can be injured by using these frostbite-inducing tools too enthusiastically, dermatologists say, damaging skin as a result.
Pipelines conveying natural gas in Washington, D.C., are old and wearing out, with approximately four leaks per mile, a recent scientific survey of the pipes suggests. Researchers say the average amount of methane lost to leaks in Washington seems to be more than twice the national average for cities.
Scientists hunting for planets that could support life have been too focused on finding places that resemble Earth, according to a report in the journal Astrobiology. The authors have come up with a list of traits that might make a planet "superhabitable."
The rare northern spotted owl species faces habitat loss and, now, intruding barred owls. A biologist, and the federal government, have made a difficult decision — killing one owl to ward off the extinction of another.
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