Chemistry
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Plants
Most energy drinks lag in added health benefits
Many caffeinated tonics lack natural antioxidants and other beneficial compounds found in coffee, yerba maté and other plant-based drinks.
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Tech
New help for greasy works of art
NMR technique identifies oil stains, guiding art conservation efforts.
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Chemistry
Deep-sea plumes: A rush to judgment?
A new report suggests a deep-sea plume of oil in the Gulf of Mexico has been gobbled up by microbes. But the scientist who described the incident doesn't "know" that. He can't — yet.
By Janet Raloff -
Chemistry
How to bug bugs
New insights on how insect repellents work could eventually help scientists prevent the transmission of diseases like malaria.
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Chemistry
Tracking bird flu one poop at a time
Mice can sniff out duck droppings laced with the virus.
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Chemistry
Deep-sea oil plume goes missing
Controversy arises over whether bacteria have completely gobbled oil up.
By Janet Raloff -
Plants
Chlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
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Chemistry
Superconductors go fractal
Oxygen atoms arrange themselves in a self-similar pattern to help conduct electricity without resistance.
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Space
All wet, or high and dry?
The moon’s interior contains far less water than Earth’s, new studies of rocks collected by Apollo astronauts suggest.
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Chemistry
Receipts a large — and largely ignored — source of BPA
A host of small studies raises a big alarm about exposure to a hormone-mimicking chemical.
By Janet Raloff -
Tech
Cashiers may face special risks from BPA
“People working at places that use thermal paper can have continual contact with bisphenol A. And if they knew, I think they would be horrified,” notes Koni Grob, an analytical chemist with an official government food laboratory in Zurich, Switzerland. He’s describing the thermal paper commonly used throughout Europe and North America to print store receipts.
By Janet Raloff