5,519 results
- Earth
Finned Pollution Is One Cost of Our Exotic Tastes
Diners in most countries are accustomed to having an international array of foods in their pantries and eateries. It started more than a millennium ago when spice traders plied the caravan routes linking China to Istanbul. From Turkey, traders shipped their condiments throughout Europe and eventually to the New World. Northern or Chinese snakehead (Channa […]
- Earth
A Confluence of Contaminants: Streams’ organic mix may pose environmental risk
The combined effects of at least some of several dozen organic contaminants newly identified in U.S. streams may pose risks to aquatic organisms.
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Red Snow, Green Snow
It's truly spring when those last white drifts go technicolor as algae bloom in the snow.
- Health & Medicine
Antibody Warfare: Vaccine halts microbes in dialysis patients
A vaccine protects many kidney-dialysis patients from blood infection caused by the Staphylococcus aureus bacterium.
- Planetary Science
Life on Europa: A possible energy source
New evidence supports the notion that Jupiter's moon Europa contains an ocean beneath its icy surface, and a planetary scientist has proposed a novel way that Europa could be getting the energy required to sustain life within that ocean.
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Sticky Situations
Bacteria find strength in numbers as members of huge, mucous-covered communities called biofilms that can stall, equip, and initiate fierce infections.
- Health & Medicine
Deadly Pickup: Enzyme permits plague germ to ride in fleas
Acquisition of a gene that enables the plague bacterium to live inside blood-sucking fleas may have set the stage for the Black Death.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
- Ecosystems
Plight of the Iguanas: Hidden die-off followed Galápagos spill
Residues of oil spilled in the Galapágos Islands in January 2001 may have caused a 60 percent decline in one island's colony of marine iguanas.
- Health & Medicine
Broken Weapon: Mutation disarms HIV-fighting gene
A gene that once produced a small protein able to prevent HIV from infecting cells now lies unusable in the human genome.
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