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Health & MedicineSleep apnea could signal greater danger
The nighttime breathing disorder called obstructive sleep apnea might double a person's risk of death or stroke.
By Nathan Seppa -
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This article says that “twice as many … with sleep apnea had a stroke or died of that or another cause. …” This sounds serious, but your readers can’t correctly assign importance to “twice as many” because you omit numbers of deaths. David KollasTolland, Conn. Among the 697 people with sleep apnea, 22 suffered strokes […]
By Science News -
AstronomyImages of a fiery youth
A faint, infrared glow captured by the Spitzer Space Telescope might be light from the universe's first stars.
By Ron Cowen -
Planetary ScienceMars or Bust!
Scientists are working to overcome the biomedical challenges that would hinder a human voyage to Mars.
By Katie Greene -
Health & MedicineStaring into the Dark
Amid a growing array of medications for treating insomnia, sleep researchers point to large gaps in their knowledge about which of these medicines work best and for how long they remain effective.
By Ben Harder -
MathProblems to Sharpen the Young
Medieval brainteasers have kept students and other people puzzled and entertained for centuries.
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HumansWillis Harlow Shapley (1917-2005)
Willis Harlow Shapley, a longtime member of the Science Service Board of Trustees, died Oct. 24.
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HumansLetters from the November 19, 2005, issue of Science News
It’s not there “Organic Choice: Pesticides vanish from body after change in diet” (SN: 9/24/05, p. 197), as presented, doesn’t address the statement made in the headline. The article shows only that on days when no pesticides are ingested in food, no pesticides are excreted in urine. Charles WyttenbachLawrence, Kan. Sex differences I am dismayed […]
By Science News -
HumansFrom the November 16, 1935, issue
Bears on a diet, aluminum-plated steel, and a new test of relativity theory.
By Science News -
MathPentomino Pursuits
Pentominoes are flat shapes, or tiles, formed by joining together five unit squares. There are 12 different pentominoes. This set of simple geometrical objects has inspired a variety of puzzles and games, including the addictive pastime known as Tetris. The pentomino Web site, created by students of Belgian math teacher Odette De Meulemeester, provides all […]
By Science News -
Health & MedicineNovel Approach: Cancer drug might ease scleroderma
The chemotherapy drug paclitaxel, when given to mice, shows signs of impeding the skin disease scleroderma.
By Nathan Seppa -
EarthGlobal Wetting and Drying: Regions face opposing prospects for water supply
In the next half century, rivers and streams in some parts of the world will diminish in flow, while waterways elsewhere rise in output, according to a new analysis of climate simulations.
By Ben Harder