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Local chocolate makers explain the elaborate engineering and chemistry behind this tasty treat-- and why it's good for you.
"Call of the Killer Whale" on Jean-Michel Cousteau: Ocean Adventures
The most complex marine species on the planet, our counterparts in the sea, is the orca, the ruler of the ocean.
Watch the program online
Learn about their culture, dialects and geography
Witness the precision of an orca attack
Jul 02, 2009
Starving Sea Lions: A Climate Connection?
A rescue center is overwhelmed with emaciated sea lion pups. Is it another El Nino signal or a manifestation of longer-term climate trends?
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Jul 01, 2009
Mapping Out Solar Power Hotspots
DOE lays out its best bets for big solar arrays on federal lands in California.
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Astronomy | Jul 03, 2009
Far Out, Man: Measuring Astronomical Distances
Posted by Ben Burress
How do we know how far away celestial objects are? This shouldn't be taken for granted, as it's not as straightforward as sounding the depth of the ocean.
Education | Jul 01, 2009
Nature Play: Notes from the Field
Posted by Amy Gotliffe
At Nature Play, a new Oakland Zoo camp, campers need little guidance to make peace with Nature, and each other.
Engineering | Jun 29, 2009
New Nanoparticles Shed Light on Cell Behavior
Posted by Christopher Smallwood
Happily, while Michael Crichton's nanoparticles coordinate an attack on a your vital organs, these new bright, stable particles behave more like benign light bulbs in your cells.
Engineering | Jun 26, 2009
Tweeting for Energy Efficiency
Posted by Jim Gunshinan
Are you using Twitter or other social media as a way to promote progressive causes like energy efficiency?
KQED | Jun 24, 2009
The Megalodon's Descendants
Posted by Cat
Among the ancestors of sharks and rays is the megalodon, 45-90 foot predators that fed on whales and dolphins.
NPR Topics: Health & Science
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Measuring The Carbon Footprint Of A Charcoal Grill
Researcher Eric Johnson recently revealed that charcoal grills leave a much larger carbon footprint than their gas-powered counterparts. On what may be the busiest grilling day of the year, Guy Raz speaks with Johnson about his study.
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In Spain, The Dead Help Fight Climate Change
In the Barcelona suburb of Santa Coloma de Gramenet, a cemetery installed more than 450 solar panels on top of the mausoleums.
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Acetaminophen Levels Prompt FDA Concern
This week, an advisory committee to the Food and Drug Administration raised a red flag about a very popular and very effective painkiller — acetaminophen. The panel of experts has recommended lowering levels of acetaminophen in prescription and over-the-counter drugs because of concerns about liver damage.
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Debate Over Food Movie Misses Most Farmers
Food Inc., a documentary film about the modern agricultural industry, is a hit with big-city movie reviewers, small organic farmers and vegetarians. But ordinary farmers — the people who grow the lion's share of what America eats — have largely been left out of the mainstream media debate over the film.