I think babies look also to facial expressions at the moment of seing peoples' faces

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In a crowded restaurant, your eyes might drift to your dining companions' lips to make out what they're saying over the din. That’s because when speech is hard to make out, lip-reading provides extra clues for comprehension. In a new study of monolingual and bilingual infants, Northeastern University professor David Lewkowicz and colleagues found that babies do the same, shifting their gaze to a speaker's lips when they hear unfamiliar languages. But babies raised in bilingual households spend significantly more time studying the mouth than their monolingual counterparts—which suggests that lip reading could be a vital skill for language learners of all ages.

What Bilingual Babies Can Teach Us About Language Learning

Ryan Rykaczewski describes one of the most massive migrations on the planet, driven by the sun. Image by Tintinnidguy (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons 

#ExplainTheSun  - The Largest Migration on The Planet

Once, there was the ordinary incandescent light bulb. It shone brightly, but wasted much of the energy put into it as heat. Then came the compact fluorescent. And as costs have dropped, consumers have increasingly been switching to light-emitting diode (LED) technology for many lighting applications, in an ongoing search for a more efficient bulb. Now, in work published in the journal Nature Nanotechnology, researchers report that nanophotonic devices may be able to breathe new life into old incandescent technology. Marin Soljačić and Ognjen Ilic, two authors of the study, explain how they’ve been able to “recycle” some of the incandescent bulb’s wasted heat and re-emit it as visible light, boosting efficiency.

For the Lowly Incandescent Bulb, a Ray of Hope

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What Bilingual Babies Can Teach Us About Language Learning

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