Mark Sykes

Nov. 20, 2009

Living and Working In Space

Last week scientists reported definite signs of water hidden in darkened craters on the moon. Does that find change human plans for the exploration of space? Should it?

space flight, travel, astronauts

Mar. 28, 2008

What's a Planet, Anyway?

In 2006, astronomers voted to remove Pluto from the list of planets in our solar system -- but the controversy over just what should be called a planet lives on.

pluto, planet, planetoid, minor planet, kuiper belt object

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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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