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Since the 1960s, developmental psychologists point to the "Visual Cliff"—an experiment that plops babies on a fake precipice—as proof that infants learn to fear heights as they learn to crawl. But over the past 25 years, Karen Adolph of NYU's Infant Action Lab has shattered this myth through a series of rigorous (and adorable) experiments, revealing that while babies can learn from experiences near high ledges or narrow bridges, it's not a phobia they acquire.

The Macroscope: Babies on the Brink

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

Science, technology, and other cool stuff from public radio's Science Friday. It's brain fun, for curious people. From WNYC Studios.

The Macroscope: Babies on the Brink

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