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Having a Dog May Mean Having Extra Microbes

North Carolina State University biologist Rob Dunn and colleagues surveyed people's pillow cases, refrigerators, toilet seats, TV screens and other household spots, to learn about the microbes that dwell in our homes. Among the findings, reported in the journal PLoS One, homes with dogs had more diverse bacterial communities, and higher numbers of "dog-associated" bacteria.
NPR

Why You Have To Scratch That Itch

Itch can be a useful warning sign, or a maddening symptom with no cure. But the origins of itch have long been a mystery. Scientists think they've come closer to understanding the origins of itch in a molecule that makes mice scratch like mad.
NPR

Evolution Saves Cockroaches From Taking The Bait

A new study unravels the mystery of a peculiar transformation: sometime in the 1990s, the insects developed a sudden aversion to sweet-tasting poisons.
NPR

'Extremely Active' Atlantic Hurricane Season Predicted

Officials are forecasting that hurricane activity will be "above normal" this season, with 13 to 20 named storms. As many as six of those could be major hurricanes. Warm ocean waters and the lack of El Nino conditions are partly to blame.
NPR

The Weight Of A Med Student's Subconscious Bias

A test of third-year medical students in North Carolina revealed biases against the obese. The author of the study says these thoughts, often subconscious, could affect how doctors treat their patients and whether those patients trust them.
NPR

Inside A Tart Cherry Revival: 'Somebody Needs To Do This!'

The revival is partly based on the humble sour fruit's growing reputation as a superfood. And in Michigan, a scientist is on a quest to introduce a whole new world of hardier, tastier tart cherries by breeding American trees with ancestral varieties from Eastern Europe.

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