Fruits and vegetables are undeniably important to a healthful diet. But there's another side to some of these plants that, thankfully, most people never see: the tiny amounts of toxin within them. Lucky for us, healthy human bodies are remarkably good at filtering out toxins from everyday foods.
The federal government finally has a plan for winters at Yellowstone National Park that both fans and foes of snowmobiles say they can live with. Within two years, only the cleanest and quietest of the vehicles will be allowed inside the park.
On Tuesday night PBS' Frontline will investigate how decades of antibiotic overuse has led to the emergence of drug-resistant bacteria. Journalist David Hoffman says that understanding and fighting these bacteria should be a national priority. "A simple scrape on the playground could be fatal," he says.
The new method might allow doctors to increase the quantity of hair on your head, instead of just moving it around. But don't get too excited. A cure for baldness is not around the corner. The method has been tested only in mice and can produce only a small amount of strange-looking hair.
Water from the Ogallala Aquifer is withdrawn about six times faster than rain or rivers can recharge it. Now, a group of farmers in one part of northwestern Kansas has agreed to pump 20 percent less water out of the aquifer over the next five years.
In this weekend's podcast of All Things Considered, host Arun Rath investigates the controversial practice of engineering the planet's climate with man-made chemicals. Plus, music from Anoushka Shankar and Norah Jones.
You may not find South Sudan at the top of most dream destination lists, but the authors of a new travel guide say the young country, long isolated by a violent civil war, has much to offer tourists in search of wildlife, culture and natural beauty.
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