All Stories
- Earth
Death of a Continent, Birth of an Ocean
Africa’s Afar region gives glimpses of geology in action.
- Health & Medicine
Mind-Controlled
Linking brain and computer may soon lead to practical prosthetics for daily life.
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Science Past from the issue of July 1, 1961
WINTERGREEN VS. ALMOND IN ODOR PENETRATION TEST — Different chemicals produce different odors because vibrations within the molecules are different. This is the theory of Dr. R.H. Wright of the British Columbia Research Council in Vancouver, Canada. He compared nitrobenzene, which has an almond smell, and methyl salicylate, which smells like wintergreen. Both these substances […]
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Science Future for July 2, 2011
July 7Be mesmerized by the color red and how it is made for pigments and paints, at San Francisco’s Exploratorium. Ages 18 and up. See www.exploratorium.edu/afterdark July 18In Washington, D.C., a Smithsonian science historian describes ancient apothecaries and their brews. See www.residentassociates.org
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Letters
Your cosmic questions Regarding the “The vital statistics” in “Cosmic questions, answers pending” (SN: 4/23/11, p. 20), I was puzzled by two values: 13.75 billion years (time since the Big Bang) and 90 billion light-years (diameter of the universe). If light has been streaming away for 13.75 billion years, then shouldn’t the diameter of the […]
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BOOK REVIEW: Annoying: The Science of What Bugs Us by Joe Palca and Flora Lichtman
Review by Devin Powell.
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The Dance of Air and Sea: How Oceans, Weather, and Life Link Together by Arnold H. Taylor
An oceanographer explores the connectedness of the seas, atmosphere and weather, with implications for climate change. Oxford Univ. Press, 2011, 288 p., $29.95.
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Finding Mars by Ned Rozell
This travel yarn is set in the rugged regions of Earth, following permafrost scientist Kenji Yoshikawa as he traverses the frozen Arctic. Univ. of Alaska Press, 2011, 188 p., $22.95.
- Health & Medicine
Body & Brain
The health benefits of wheat and olive oil, plus Down syndrome dementia, a heartbreaking gene and more in this week’s news.
- Humans
Couch potatoes: Where the risks lie
Several new studies finger television viewing as a potentially unhealthy pastime. I know, that hardly sounds surprising. For years, research has been linking hours in front of TV screens with an elevated risk of developing heart disease and diabetes, not to mention obesity. But what makes the recent spate of analyses different, researchers argue, is that they’re finally homing in on consistent estimates of the magnitude of risks — and hints at what underlies them.
- Earth
Tsunami lit up the heavens
Camera captures glowing atmospheric ripples triggered by Japan’s deadly quake as they pass over Hawaii.
