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Stories by Christopher Intagliata

Small Fish Takes Fast-Evolution Track

Stickleback fish in Alaska evolved from living in seawater to freshwater in just 50 years, with the help of freshwater traits in their genome. Christopher Intagliata reports

December 17, 2015 — Christopher Intagliata

Espresso Machines Brew a Microbiome of Their Own

Researchers sampled 10 espresso machines and found that most of them harbored coffee residues rich in bacteria—including some potentially pathogenic strains. Christopher Intagliata reports...

December 1, 2015 — Christopher Intagliata

Why We Live in a Cloud of Microbes

Pets and people shed clouds of microbes as unique and personal as their fingerprints, but the clouds can change over time.

November 30, 2015 — Jack Penland and Christopher Intagliata

Your Brain Can Taste without Your Tongue

Stimulating the "taste cortex" was enough to trick mice into thinking they'd tasted sweet or bitter substances, when in fact their tongues tasted nothing at all. Christopher Intagliata reports...

November 19, 2015 — Christopher Intagliata

What Makes Sand Dunes Sing

Engineers at Caltech discovered that for sand dunes to produce sound they need a dry layer on top that amplifies internal frequencies during sand movement. Christopher Intagliata reports...

November 11, 2015 — Christopher Intagliata

Arctic Marine Mammals Swim Up to the Microphone

As Arctic sea ice melts, an underwater recording project reveals that the submerged ecology is undergoing change, with humpbacks and killer whales staying north later in the year. Christopher Intagliata reports...

November 5, 2015 — Christopher Intagliata

Decoy Mating Call Battles Citrus Pest

Researchers developed a call that effectively mimics the citrus psyllid's mating song, which could be a weapon against a devastating crop scourge. Christopher Intagliata reports

November 3, 2015 — Christopher Intagliata

Beet Juice Could Help Body Beat Altitude

Beet juice contains nitrates, which the body can convert to nitric oxide, a chemical that relaxes blood vessels and makes it easier to function in conditions of low oxygen. Christopher Intagliata reports...

October 21, 2015 — Christopher Intagliata

Babies Move Tongue to Learn New Tongues

Infants seemed to be able to differentiate between two different "D" sounds in Hindi—but only when their tongue movements weren't blocked by a teething device. Christopher Intagliata reports...

October 15, 2015 — Christopher Intagliata
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