Uncategorized
- Chemistry
Enzymes release caged chemicals
A new controlled-release technology relies on enzymes to unshackle a chemical only when and where it's needed.
- Health & Medicine
Even outdoors, generators pose risks
Portable electricity generators are frequently the culprit in domestic carbon monoxide poisonings—even when the devices sit outside the home.
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19819
I was interested to read in this article that running portable generators caused carbon monoxide poisoning, presumably by improper fuel burning. A good solution to this problem is to use a generator that is designed for much lower emissions. I use my Toyota Prius as an emergency generator that can power my house! It can […]
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Rats take fast route to remembering
Rats use background knowledge about what they have already learned to remember relevant new material surprisingly quickly.
- Health & Medicine
Augmenting the good cholesterol
A reconstituted version of good cholesterol may lessen the amount of plaque that accumulates in arteries and render existing plaque less dangerous.
- Planetary Science
Cavernous findings from Mars
Images taken by a Mars-orbiting spacecraft show what appear to be caves on the Red Planet.
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Faster, Cheaper, Better
Methods now under development could make DNA sequencing quicker and less expensive, paving the way for the day when treatments can be tailored to each person's genetic profile.
- Materials Science
Taken for a Spin
Considering silk from the spider's perspective may offer the best chance of replicating these creatures' tough threads.
- Humans
Letters from the April 14, 2007, issue of Science News
Heated comments I am disappointed in your article on the latest Intergovernmental Panel on Climate Change (IPCC) summary (“From Bad to Worse: Earth’s warming to accelerate,” SN: 2/10/07, p. 83). It was a political summary, not the 1,500 page report that’s due in May 2007. How often have you seen a scientific summary published 3 […]
- Math
Can’t Knock It Down
Mathematicians have found three-dimensional shapes that flip themselves upright from any position.
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- Ecosystems
The Great Turtle Race
This international conservation event involves 11 leatherback turtles that are “racing” toward feeding areas south of the Galapagos Islands. Pick your favorite of these endangered animals and follow its progress, as tracked by satellite, from April 16 to April 29. Go to: http://greatturtlerace.com
