Uncategorized
- Earth
No Deep Breathing: Air pollution impedes lung development
Spending one's childhood in a community with polluted air stalls lung development roughly as much as does having a mother who smokes.
- Humans
Letters from the September 11, 2004, issue of Science News
Say what? I don’t think anyone should be surprised that squirrels have figured out how to say “nyah, nyah” to rattlesnakes (“Ultrasound alarms by ground squirrels,” SN: 7/3/04, p. 14: Ultrasound alarms by ground squirrels). After all, it’s what they’ve been saying to cats, dogs, and bird-feeder owning humans for years. R. Kelly WagnerAustin, Texas […]
- Chemistry
Meteorites may have delivered phosphorus
Meteorites may have supplied enough phosphorus to prebiotic Earth to spawn the first signs of life.
- Physics
Gold quantum dots
Scientists have created a new type of quantum dot that could find applications in everything from biological imaging to computer displays.
- Chemistry
Molecular machines split water
Hydrogen derived from molecular machines that use solar energy to split water, rather than hydrogen from fossil fuels, could drive future fuel cell vehicles.
- Health & Medicine
Juice could ward off cancer in smokers
Drinking grapefruit juice every day could reduce the risk of developing cancer from smoking.
- Earth
Compost reduces landfill gas
Field tests suggest that covering solid waste with compost instead of conventional soil could reduce methane-gas emissions from landfills.
- Animals
Owls use tools: Dung is lure for beetles
Burrowing owls' habit of bringing mammal dung to their burrows attracts edible beetles and counts as form of tool use.
- Health & Medicine
Immune reaction to poison gas brings delayed effects
Researchers have a new understanding of why some survivors of carbon monoxide poisoning later develop concentration problems, personality changes, or sensory impairments.
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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 […]
- Agriculture
The Ultimate Crop Insurance
A new treaty renews hope that the waning diversity in agricultural crops can be slowed, and important genes preserved, both in the field and in gene banks.
- Health & Medicine
Figuring Out Fibroids
Researchers now have a better understanding of which women develop fibroids and what causes them.
