The world's first essayist, Michel Montaigne, was out riding one day when he got slammed from the rear, was thrown from his horse, crashed to the ground and for a brief time was, as he puts it, "dead." He described exactly what it felt like. Here's what he learned.
The state estimates that about 325,000 wells have been drilled since the mid-1800s, but the locations of 200,000 of them are unknown. This proves problematic when new wells occasionally intersect abandoned ones, and gas rockets up to the surface in a geyser.
Urban farming goes vertical, as Singapore opens a 30-feet tall greenhouse for bok choy and cabbage. The farm is already producing half a ton of veggies per day for local supermarkets. But are these vertical "farmscrapers" any more efficient than traditional, flat greenhouses?
In his latest book Hallucinations, neurologist Oliver Sacks collects stories of individuals who can see, hear and smell things that aren't really there--such as strange voices, or collages of unrecognizable faces--and explores the disorders and drugs that can produce such illusions.
Writer Barbara Kingsolver is one of a handful of novelists with a science background, and she puts it to use in her new novel Flight Behavior. Kingsolver discusses the book and why she chose to look at the the issue of climate change in a fictional work set in rural Tennessee.
If Congress fails to act, some $15 billion will be cut from science funding in January 2013. Physics professor and Beltway insider Michael Lubell talks about how science can escape that "fiscal cliff," and what to expect for climate change, healthcare and space under four more years of President Obama.
Did you know that Earth's solid exterior can move around over its core, causing the planet's poles to wander back and forth? Adam Maloof, associate professor of geosciences at Princeton University, discusses the consequences of these shifts, and what may be causing them.
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