Mark Brender

Aug. 29, 2008

Higher-Res Eye In The Sky

If all goes according to plan, next week a rocket will launch carrying a commercial imaging satellite capable of making out details on Earth just 16 inches across. We'll talk with one of the people behind the GeoEye-1 launch about the satellite and its c

spy satellite, space imaging, mapping, geographic information systems

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Michael Pollan Talks Plants and Food

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How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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