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EarthCharcoal warms the whole world
The techniques used in developing nations to transform wood into charcoal are net emitters of greenhouse gases, even though the wood used to produce the fuel removed globe-warming carbon dioxide from the atmosphere as it was growing.
By Sid Perkins -
ChemistryCompounds cool without minty taste
Scientists have created a compound that delivers a more potent version of the cooling sensation of menthol, without the minty taste or smell.
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ChemistryEverything Midas touched turned to rot
Researchers have found the nutrient sources for fungi that caused the decay of much of King Midas' tomb and its contents.
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Native signers may get right-brain aid
Controversial brain-imaging data suggest that the right side of the brain contributes to the grammatical skills of people who grow up using sign language.