Uncategorized
- Earth
Weather maker
The North Atlantic's Gulf Stream affects the overlying atmosphere more strongly than previously suspected.
- Health & Medicine
Roll Up Your Sleeve: Hypertension vaccine passes early test
An angiotensin vaccine stifles high blood pressure in an early test in people.
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This article brings up a question. This glow should be stronger in one direction, which can point us to the center of the universe. Is this possible? Donald BurrNovato, Calif. Studies of the microwave glow reveal that Earth is moving surprisingly quickly relative to the cosmic background radiation. But this motion is not evidence that […]
- Astronomy
State of the Universe: Microwave glow powers cosmic insights
Radiation left over from the Big Bang offers researchers unprecedented cosmic understanding.
- Humans
Letters from the March 15, 2008, issue of Science News
Alpha bird(s) There is a detail not explicit in the article “Birds network too” (SN: 2/23/08, p. 125) that fits the computer network analogy. By its flight path, each bird adds its personal input and helps guide the course of the flock. Don BurnapRapid City, S.D. Andrea Cavagna, a physicist at Italy’s National Research Council, […]
- Plants
City life changes style of weed seeds
City living pushes for rapid evolution in the seed strategy of a little yellow flower along French sidewalks.
- Health & Medicine
New technique brings Parkinson’s treatment closer
An efficient technique to make dopamine-producing nerve cells from human embryonic stem cells could mark a step toward devising therapies for Parkinson's disease.
- Health & Medicine
Exercises counteract lazy eye
Amblyopia, or lazy eye, can be reversed in adults with visual task exercises.
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Pick a photo, any photo
An fMRI scan of the brain can tell what photograph a subject is looking at.
- Materials Science
Cellulose that stiffens and softens
A material inspired by sea cucumbers morphs from rigid to soft.
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Altruistic twist in market economies
Democratic societies with market economies promote a moral ethic of cooperating with strangers who demand mutual sacrifices in joint ventures.
- Physics
Too speedy for gravity?
A new analysis suggests that five different spacecraft gained more speed as they flew past Earth than can be accounted for by Einstein's theory of gravitation.
