Science, Quickly

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Oldest Known Indigo Dye Found in Peru Sep 14, 2016

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Fabric dyed with indigo just found in Peru is some 1,600 years older than indigo-dyed fabrics that have been found in the Middle East.

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Road Noise Makes Birds' Lives Tougher Sep 13, 2016

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By playing road noise where there was no road, researchers were able to gauge the effect of the noise on bird behavior without having to deal with the effect of the road itself.

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World Wilderness Down 10 Percent in 20 Years Sep 12, 2016

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South America and central Africa lost the most wilderness in a decline since the 1990s that saw the planet's wild areas down by a tenth

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Photonic Chip Could Strengthen Smartphone Encryption Sep 08, 2016

Show notes

The chip uses pulses of laser light to generate truly random numbers, the basis of encryption. Christopher Intagliata reports.

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Protein Test Could Complement Crime Scene DNA Analysis Sep 07, 2016

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Researchers determined that the variation of a couple hundred proteins in a person's hair could be enough to single her out from one million individuals. Christopher Intagliata reports.

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Shark Fins Contain Toxic "One–Two Punch" Sep 02, 2016

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Sharks can accumulate both methylmercury and a toxin called BMAA, which can have synergistic effects on human consumers. Christopher Intagliata reports.

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Teen Pregnancy Prevention Program Actually Promotes It Aug 31, 2016

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Teenage girls who cared for infant dolls, an intervention meant to prevent pregnancy, actually had a higher risk of getting pregnant by age 20. Christopher Intagliata reports.

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Waste Amphetamines Alter Underwater Ecosystems Aug 25, 2016

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Using an artificial stream system, researchers found that amphetamine residues altered insect and microbial life in aquatic ecosystems. Christopher Intagliata reports.

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A Green Solution to Improve Indoor Air Quality Aug 24, 2016

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In 12 hours Dracaena plants removed nearly all the acetone from an airtight chamber, suggesting they might be put to use as air filters in nail salons. Christopher Intagliata reports.

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Voters Are Seldom Swayed by Local Campaign Stops Aug 19, 2016

Show notes

A survey during the 2012 election found that bus tours and visits to greasy spoons didn't do much to change voter opinions. Christopher Intagliata reports.

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