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This article didn’t mention the effect of large-scale conversion of cellulosic biomass to fuel on disposal sites. Here in southern California, we are running out of places to dump urban waste. Taking waste to a fuel-generating facility would reduce the environmental effects and might even cost less than burying it. Bob KosterNorth Tustin, Calif. Your […]
- Tech
Growing Expectations
Biofuels made from waste agricultural plant matter are gaining prominence as new technologies make them increasingly competitive with petroleum fuels.
- Health & Medicine
The Sweet Benefit of Giving Olives a Hot Bath
A simple heat treatment can sweeten the strongly flavored olive oils that some gourmands prefer but many people find to be bitter.
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Living History
Bacteria and fungi living on artworks and artifacts often cause extensive damage.
- Agriculture
Wheat Warning—New Rust Could Spread Like Wildfire
A new, yield-slashing wheat blight has emerged in East Africa and could spread far beyond that part of the world.
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- Humans
From the September 21, 1935, issue
The opening of the Hayden planetarium in New York, heavy neon, and the age of the universe.
- Math
Math Music
Curious about the sounds of pi, the music of Fibonacci numbers, the blare of chaos, or the chimes of a DNA sequence? This interactive Web site, developed by Jonathan Middleton and his team at Eastern Washington University, provides a variety of tools for composing music based on mathematical recipes that convert sequences of numbers into […]
- Health & Medicine
Sharpening the focus of mammograms
Digital mammography can detect up to one-fourth more cancers than traditional film mammography can in women who are under 50, haven't gone through menopause, or who have dense breast tissue.
- Earth
Pack Rat Piles: Rodent rubbish provides ice age thermometer
Analyses of fossilized plant remnants collected by pack rats reveal that the Grand Canyon was much cooler than previously thought during the latter part of the last ice age.
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***Notice to Subscribers in Areas Affected by Hurricane Katrina***
The U.S. Postal Service has asked magazine publishers to suspend subscription mailings to areas that were damaged by Hurricane Katrina. Science News subscribers in those areas won't be charged for issues that are withheld, and their subscriptions will be extended. Mailings will resume upon notification by the USPS that delivery is reinstated.
- Earth
Organic Choice: Pesticides vanish from body after change in diet
Children can eliminate their bodies' loads of agricultural pesticides by eating organically grown products.
