5,519 results
- Earth
Cleaning up pollution, whey down deep
Lab and field tests hint that dairy whey, a lactose-rich by-product of the dairy industry, could be used to clean up underground water supplies tainted by the solvent trichloroethylene.
- Humans
Letters from the April 29, 2006, issue of Science News
Creating a controversy The real irony of ironies is that evolution has not evolved (“Evolution in Action: The trials and tribulations of intelligent design,” SN: 2/25/06, p. 120). When even mainstream evolutionary scientists propose any change to “the fact of evolution,” they are immediately silenced. That’s not science. As it has been practiced by many, […]
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Hand gels falter
Alcohol-based gels may not effectively eliminate from people's hands a type of virus that causes millions of cases of diarrhea worldwide each year.
- Ecosystems
On the Rise: Siberian lakes—Major sources of methane
Field studies suggest that Siberian lakes are a much larger source of atmospheric methane than had been previously recognized.
- Health & Medicine
Microbe Hunt: Novel bacterium infects immune-deficient people
A newfound bacterium can cause illness in people who have a rare, inherited form of immune deficiency.
- Health & Medicine
May I Propose a High-Fiber Toast?
Scientists have genetically modified wheat to boost a type of dietary fiber linked to numerous health benefits.
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The Sum of the Parts
Some researchers are breaking genomes into a collection of parts and precisely reassembling them to do a scientist's bidding.
- Ecosystems
Fish as Farmers: Reef residents tend an algal crop
A damselfish cultivates underwater gardens of an algal species that researchers haven't found growing on its own.
- Health & Medicine
Open Water, Open Mouths: Scuba divers face infection risks
A new study takes a stab at quantifying the risks that waterborne bacteria and viruses pose to scuba divers.
- Ecosystems
Life Underfoot: Microbial biodiversity takes surprising twist
When it comes to numbers of bacterial species, rainforest dirt is virtually a desert, but desert dirt bursts with biodiversity.
- Humans
Letters from the August 12, 2006, issue of Science News
Dates of contention Are the dates quoted in “Stones of Contention: Tiny Homo species tied to ancient tool tradition” (SN: 6/3/06, p. 341) correct? I didn’t think Homo existed as a genus 840,000 years ago. David AdamsBoothwyn, Pa. Fossil finds indicate that the Homo genus originated roughly 2.4 million years ago.—B. Bower No juicy story […]
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Just because living organisms were found in extreme conditions does not necessarily mean they were created in these localities. Another possibility is that the creation of life took place under more amenable conditions and that these organisms, through evolution, gradually adapted as the conditions changed. We shouldn’t assume that just because bacteria were found on […]
