The common food additives altered mice microbiomes to encourage gut inflammation and overeating. Dina Fine Maron reports
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New Map Knows Noise
National Park Service researchers recorded ambient sound from all over the country to find out where there’s still stillness. David Biello reports
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3:26
Menopause Symptoms Have Unappreciated Staying Power
Although clinical guidelines assume just two years for hot flashes and night sweats, a large study finds a median symptom duration of more than three times that length. Dina Fine Maron reports
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2:25
Oil-Eating Microbes Have Worldwide Underground Connections
Life thrives even deep inside Earth and scientists are beginning to suspect extensive connections among those underground environments. David Biello reports
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3:04
Wearable Step Counters Offer Exercise Leg Up
High-tech pedometers do a decent job of counting steps accurately. Dina Fine Maron reports.
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