Science Now

Science Now Discoveries from the world of science and medicine
Scientists off Southern California explore why some fish glow

Glowing fish are turning out to be far more common than scientists had assumed, and now researchers swimming in Southern California waters may have figured out why.

After using a custom-built "shark eye" camera to confirm that swell sharks can see one another glow, the research team reported that the animals probably use that light to communicate among themselves.

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Wine and coffee lovers, drink up! It's great for your microbiome

Scientists have some great news for those who love coffee, tea and wine: Drinking any of these beverages is associated with a healthier and more diverse community of microbes living in the gut.

The opposite is true for consuming sugary drinks and whole milk, as well as for eating a lot of carbohydrates and indulging in frequent snacks, researchers reported this week in the journal Science.

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CDC: Pregnancies among black, Hispanic teens drop nationally

Steep declines in birth rates among Hispanic and black teens has lead the overall rate across the nation to drop an all-time low, according to a new analysis from the U.S. Centers for Disease Control and Prevention.

The rate among Hispanic teens aged 15-19 dropped 51 percent from 2006 to 2014, and 44 percent among black teens, CDC researchers reported.

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How the 'Moth Radio Hour' helped scientists map out meaning in the brain

This is your brain on stories. By tracking the blood flow in people’s brains as they listened to a storytelling radio show, scientists at UC Berkeley have mapped out where the meanings associated with basic words are encoded in the cortex, creating the first semantic atlas of the brain.

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Long after brain trauma, sleep problems persist

At least 18 months after sustaining a traumatic brain injury, first-time concussion victims continue to need more sleep and to suffer more daytime sleepiness than do healthy people, says new research. But even as they run higher risks of such injuries as vehicle crashes, sufferers routinely underestimate both their sleepiness and their increased sleep need, the study finds.

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Why having a food allergy costs more for the poorest kids

What is the financial toll of having a kid with a food allergy? The answer may depend on how much money you have.

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