5,519 results
- Health & Medicine
Retail meats host drug-resistant bacteria
Three studies appear to tie livestock growth promoters to risk of serious human disease.
- Plants
Emergency Gardening
High-tech tissue culture is helping some ultrarare plants finally have sprouts of their own.
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Happy Anniversary
In the 50 years since the discovery of DNA's double helix structure, scientists have developed striking new ways to visualize the molecule.
- Health & Medicine
Germs That Do a Body Good
Research on probiotic bacteria—living microbes that confer health benefits when introduced into the body—offers growing medical promise.
- Anthropology
The Ultimate Colonists
Human ancestors managed to adjust to life in a variety of ecosystems during the Stone Age, indicating that their social lives were more complex than they've often been given credit for.
- Earth
A Safe Solution
A home-based technique for treating microbe-contaminated water with chlorine solution could save millions of lives in countries that are currently unable to provide residents with safe drinking water.
- Earth
Greenhouse Gassed
Scientists are discovering that more carbon dioxide in the air could spell disaster for plants and the animals that love to eat them.
- Health & Medicine
Sea Sickness: Despite cleaner cruises, diarrhea outbreaks persist
Improvements in vessel sanitation have apparently contributed to a gradual decline in diarrheal infections on cruise ships, but standard cleaning practices don't reliably wipe out the viruses that are behind a recent rash of outbreaks.
- Health & Medicine
Sea Sickness: Despite cleaner cruises, diarrhea outbreaks persist
Improvements in vessel sanitation have apparently contributed to a gradual decline in diarrheal infections on cruise ships, but standard cleaning practices don't reliably wipe out the viruses that are behind a recent rash of outbreaks.
- Earth
More Waters Test Positive for Drugs
Traces of drugs, excreted by people and livestock, pollute surface and ground waters in the United States, as had already been confirmed in Europe.
- Materials Science
Materials use nitric oxide to kill bacteria
A novel coating may offer a new way to fend off microbial buildup on catheters, artificial hips, and replacement cardiac valves.
- Animals
Upside Way Down: Video turns fish story on its head
The first video of whipnose anglerfish reveals them swimming upside down and trolling for prey on the 5,000-meter deep ocean floor.
