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Scientific American - Chemistry
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Science news and technology updates from Scientific American
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In the Market for Pollution: Carbon Trade or Carbon Con?
NEW YORK--A company recycles a product, doing its part for the environment through reuse, only to be told it's worth more to destroy it. Welcome to the wonderful world of the carbon market, especially for a company that deals in refrigerants. These gases, culprits in no less than two environmental crimes--the ozone hole and climate change--are required to efficiently cool your food and beverages. Yet, chlorofluorocarbons, to give them their proper name, are potent molecules that both exacerbate the blanket of greenhouse gases warming the world as well as chew up the stratospheric ozone layer protecting the planet's inhabitants from excess doses of ultraviolet sunlight. [More]
 
Climate change - Ozone layer - Greenhouse gas - Environment - Chlorofluorocarbon
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Burn, baby, burn: Student-engineered stoves put to the test by Tanzanian women
Editor's Note: Students from Dartmouth's Thayer School of Engineering are working in Tanzania to help improve sanitation and energy technologies in local villages. The student-led group , known as Humanitarian Engineering Leadership Projects (HELP), will file dispatches from the field during their trip. This is their ninth blog post for Scientific American. [More]
Tanzania - Dartmouth College - Thayer School of Engineering - Energy - Scientific American
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Organic Strawberries Beat Conventionally Grown in Test Plots
Some consumers buy organically grown foods because they believe the products are healthier, tastier and better for the environment. But is this assessment true? [More]
Organic farming - Organic - Agriculture - Business - Food and Related Products
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Prescription for a Healthier Brain: Coffee and Cigarettes?
Inspired by human studies showing that avid coffee drinkers and smokers have a lower risk of Parkinson’s disease, scientists at the University of Washington decided to see what java and cigarettes do to fruit flies. [More]
Cigarette - Coffee - University of Washington - Health - Specific Substances
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Lessons learned? Engineering students set about designing a greener, more durable stove for African villagers
Editor's Note: Students from Dartmouth's Thayer School of Engineering are working in Tanzania to help improve sanitation and energy technologies in local villages. The student-led group , known as Humanitarian Engineering Leadership Projects (HELP), will file dispatches from the field during their trip. This is their eighth blog post for Scientific American. [More]
Dartmouth College - Tanzania - Thayer School of Engineering - Engineering - United States
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