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Are birds’ tweets grammatical?

Are humans the only species with enough smarts to craft a language? Most of us believe that we are. Although many animals have their own form of communication, none has the depth or versatility heard in human speech.

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Making Solar Panels As Ubiquitous And Efficient As Leaves

Leaves are the ultimate solar panel. If we're going to power more of the world with the sun, we're going to need to imitate plants, one way or another. Enough solar energy strikes the earth in one hour to power our civilization for a year , and futurists like Ray Kurzweil see us moving to an all-solar civilization in the span of a single human lifetime

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Face Off: CEO vs. Shareholder

Author John Warrillow explains the perks of keeping your role as both CEO and a shareholder separate in your mind -and in everyone else's. Dear John, I am the president of a family business and we recently received an offer to buy our company for $8 million plus an earn out

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Paths Taken

One of the pleasures of Scientific American , I’ve always thought, is that it offers armchair travelers a vicarious expedition to the exciting worlds uncovered through science. I reflected on that fact recently as I sat on the tarmac, my flight 23rd in line for takeoff at LaGuardia Airport in New York City. I was reading over this issue’s articles and again became absorbed by our cover story, “ The First Americans ,” by Heather Pringle.

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Asian Antiquities for Sale

Chinese huanghuali furniture, named for the imported, golden-hued hardwood from which it was made, was designed to encourage peaceful contemplation. Scholars and gentlemen of the 16th and 17th centuries used the simply decorated, unpainted and unstained furnishings to foster the mind-set needed for writing poetry and considering lofty ideas

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Why Einstein was wrong about being wrong

If you want to get your mind around the research that won three astronomers the Nobel Prize in physics last week, it helps to think of the universe as a lump of dough - raisin-bread dough, to be precise - mixed, kneaded and ready to rise. Hold that thought.

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Innovative Product Mashups

Sometimes innovation is as simple as turning a ketchup bottle upside down. But what about putting bug repellent in clothing or carbonation in milk? It's convergence culture gone wild.

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The Meaning Of Steve Jobs

Why do millions mourn the death of Steve Jobs, a man they never met? Gawker curmudgeon Hamilton Nolan is right: "Steve Jobs was not God," read the headline to his recent post slamming those "whose remembrances have already taken on a quasi-religious tone" and advising them to "seek help." He was responding to the flood of grief that consumed the media, media watchers, and many others in the hours and days after Jobs' death was announced.

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History and the Decline of Human Violence

Steven Pinker, a professor of psychology at Harvard University, is the author of the best-selling books, “How the Mind Works,” and “The Blank Slate.” But he is also a public intellectual, devoted to bringing the ideas of academia to questions of broad public interest. His latest work is an ambitious attempt to understand the origins, history--and perhaps the future--of human violence.

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Can drugs drill holes in your brain?

The idea of drugs tunneling their way through the brain, worms to the mind’s apple, is a frequent metaphor I hear. I wrote on the topic for Discovery’s Curiosity and resurfaced it to prepare material for drug education talks with high schoolers.

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