Uncategorized
- Health & Medicine
Phoenix Heart: Replacing a heart’s cells could ease transplants
Scientists removed all the cells from a dead rat heart, injected new heart cells, and produced a beating heart, paving the way for eventually growing organs for transplantation in humans.
- Health & Medicine
Getting the Red Out: Drug improves kids’ psoriasis symptoms
The rheumatoid arthritis drug etanercept clears up psoriasis in children and may become the first systemic medication for the ailment in youngsters.
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19917
Regarding this article; while drug companies wish to market their products, my attention is drawn to the fact that 1 in 8 of the control group of psoriasis patients was cured by placebo effect. Who will investigate the process therein? Is there a market for it? Carson BarnesLoma Mar, Calif. A potent placebo effect, even […]
- Earth
Bird’s-eye view of Antarctic ice loss
Satellite images of Antarctica between 1992 and 2006 indicate that the continent was losing ice much faster at the end of that period than it was a decade before.
- Health & Medicine
HIV variant might help vaccine search
Scientists have discovered an unusual HIV protein in a Kenyan woman that makes the virus vulnerable to antibodies.
- Earth
Switchgrass may yield biofuel bounty
Making ethanol from switchgrass yielded more than 5 times more energy than needed to grow the crops in a large-scale farming trial.
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19916
Distilleries have been around since the dawn of time, including barleycorn (whiskey), maize (whiskey), potatoes (vodka), sugarcane (rum), and arcane brews distilled from beets, bread crumbs, and bamboo. The ethanol molecule cares not one wit about its particular provenance, so what is so special about a soil-depleting broom like switchgrass, when economically important sources have […]
- Health & Medicine
Sleep disruption and glucose processing
Shallow sleep can depress the body's ability to process glucose efficiently.
- Animals
Butterfly’s clock linked to compass
The most detailed look yet at the monarch butterfly's daily rhythm keeper suggests it's closer to ancient forms than to the fruit fly's or mouse's inner clock.
- Humans
Letters from the January 19, 2008, issue of Science News
Evening the score When Ai, mother of the chimp Amuyu, whose mental feats you reported in “Chimp Champ: Ape aces memory test, outscores people” (SN: 12/8/07, p. 355), appeared in a television documentary a few years ago, I reproduced for myself the number-sequence test she performed and found that, after practice, I could easily outperform […]
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- Health & Medicine
Night lights may foster cancer
Regularly working through the night appears to come at a steep cost—a heightened risk of cancer.
