It's not only size, but scales that matter in some male moth antennae

http://ift.tt/eA8V8J Male moths have evolved intricate scale arrangements on their antennae to enhance detection of female sex pheromones, which allows them to keep their antennae small enough to maximize flying, new research suggests.

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World's largest cities depend on evaporated water from surrounding lands

http://ift.tt/eA8V8J A study found that 19 of the 29 largest cities in the world depend on evaporation from surrounding lands for more than one-third of their water supplies.

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Astronomers discover galaxies spin like clockwork

http://ift.tt/eA8V8J Astronomers have discovered that all galaxies rotate once every billion years, no matter how big they are.

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Key drivers of high US healthcare spending identified

http://ift.tt/eA8V8J The major drivers of high healthcare costs in the US appear to be higher prices for nearly everything -- from physician and hospital services to diagnostic tests to pharmaceuticals -- and administrative complexity.

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60-year-old paleontological mystery of a 'phantom' dicynodont

http://ift.tt/eA8V8J A new study has re-discovered fossil collections from a 19th century hermit that validate 'phantom' fossil footprints collected in the 1950s showing dicynodonts coexisting with dinosaurs.

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'Body on a chip' could improve drug evaluation

http://ift.tt/eA8V8J Engineers have developed new technology that could be used to evaluate new drugs and detect possible side effects before they are approved for human use. Using a microfluidic chip that connects tissue samples from up to 10 organs, the researchers can accurately replicate human organ interactions, allowing them to measure the effects of drugs on different parts of the body.

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One in four Americans suffer when exposed to common chemicals

http://ift.tt/eA8V8J Newe research reveals that one in four Americans report chemical sensitivity, with nearly half this group medically diagnosed with Multiple Chemical Sensitivities (MCS), suffering health problems from exposure to common chemical products.

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