Uncategorized
- Earth
Power Harvests
Farmers are finding that commercial wind power is the best new commodity to come along in years, one that can offer substantial year-round income.
By Janet Raloff - Humans
Native American Geometry
The circle serves as starting point for this exploration of Native American geometry. Developed by Chris Hardaker for schoolchildren in Arizona, the Web site vividly illustrates the geometric principles that underlie Native American designs. Go to: http://www.earthmeasure.com/
By Science News -
From the July 18, 1931, issue
AIR VIBRATIONS IN ORGAN PIPES REVEALED BY PATTERN IN SMOKE Making smoke rings in organ pipes, to show up the little cyclones that whirl in them when obstacles are placed in the openings, is the curious mode of research adopted by a London physicist, Prof. E.N. da C. Andrade of University College. These little cyclones, […]
By Science News - Health & Medicine
Reptilian drug may help treat diabetes
The synthetic version of exendin-4, a compound in gila monster venom, helps insulin injections control blood sugar in people with type I, or juvenile-onset, diabetes.
By Nathan Seppa -
18936
I am grateful to Science News for having achieved with your words what no doctor has managed in the past 20 years: cured my diabetes. I now find that my average blood sugar falls safely within the range 80 to 240 milligrams per deciliter cited in the article as normal. On the strength of this […]
By Science News - Health & Medicine
Thinking blurs when blood sugar strays
Blood sugar concentrations that are too high or too low can impair thinking and, in the case of low blood sugar, driving ability.
By Nathan Seppa -
18960
This concerns the story discussing the ability of flowers to protect their reproductive parts by closing up during a rain storm. I recently observed what may be other mechanisms to achieve the same end in flowers that can’t close up. As a storm approaches, Queen Anne’s lace dips its flat umbels to a vertical position […]
By Science News -
Shut up! A thunderstorm’s on the way
The narrow-leafed gentian, a mountain blossom, is the first flower shown to close when a thunderstorm apporaches.
By Susan Milius -
A bad month for condors
Two California condors in the wild—a hatching and a just-released juvenile—died the same week, as a third went missing.
By Janet Raloff - Astronomy
A comet continues to crumble
Ever since astronomers first spied a comet 6 months ago and officially dubbed it C/2001 A2, the icy body has been breaking apart.
By Ron Cowen - Astronomy
A new giant in the Kuiper belt
An icy body in the Kuiper belt, a reservoir of comets in the solar system beyond Neptune, is a record setter for the belt and bigger than Pluto's moon Charon.
By Ron Cowen -
Tests hint bird tails are misunderstood
A test of starling's tails in a wind tunnel suggests that the standard practice of extrapolating bird tail aerodynamics from delta-wing aircraft may be a mistake.
By Susan Milius