5,519 results
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Crippled fungus acts as vaccine
A genetically crippled strain of yeast can vaccinate mice against deadly normal strains.
- Earth
Runaway Heat?
A variety of changes in the Arctic is making the region darker and accelerating its warming climate.
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19457
I am wondering why the subject of genetically modified crops didn’t enter the discussion of diminishing plant diversity in this article. When genes from bacteria, insects, and other totally unrelated organisms are inserted into the genome of a plant, we have no idea what effect this will have on plant diversity and survival. The effect […]
- Health & Medicine
Cinnamon Cleans the Breath
Cinnamon can kill oral bacteria, including germs responsible for a chemical that imparts the rotten-egg smell to the breath.
- Humans
Letters from the January 15, 2005, issue of Science News
Maybe a smoky card game I’m a veterinarian, and, here in west Texas, we see a high occurrence of parvovirus infection in young dogs. It destroys the intestinal villi, allowing gastrointestinal bacteria and their toxins to enter the bloodstream (“Nicotine’s Good Side: Substance curbs sepsis in mice,” SN: 11/6/04, p. 291). I would be very […]
- Chemistry
Energy on Ice
Recent efforts to unlock a frozen source of natural gas deep under the permafrost and ocean floor have energized prospects for a methane-hydrate industry.
- Health & Medicine
There’s the Rub: Football abrasions can lead to nasty infections
U.S. football players who get scrapes and cuts from playing on artificial turf sometimes develop bacterial infections that are resistant to some antibiotics.
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Study casts doubt on minibacteria
Results from polymerase chain reaction experiments challenge the existence of ultratiny microbes called nanobacteria.
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Giardia Bares All: Parasite genes reveal long sexual history
Sexual reproduction started billions of years ago, as soon as life forms that have nuclei and organelles within their cells branched off from their structurally simpler ancestors.
- Physics
Electronic Soup: Molecules in acid broth act as circuit parts
An electronically promising molecule functions well in acid as a tiny amplifier, underscoring the importance of controlling molecules' electrochemical environments to achieve predictable performance.
- Chemistry
Microbes craft unusual crystals
Bacteria dwelling in an abandoned iron mine form unusual crystals that could help scientists look for signs of previous life on Mars.
- Tech
Novel sensing system catches the dud spud
A new device can detect a single potato that's infected with bacterial soft rot while buried deep in a storage crate with hundreds of healthy tubers.
