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Posts Tagged "extraterrestrial"

Life, Unbounded

Krugman’s Theory of Interstellar Trade

Are we all the same? (Credit. C. Scharf, original LeCire/Wikipedia)

Everyone needs a little light relief sometimes, including the Nobel winning economist and writer/blogger extraordinaire Paul Krugman. A few months back he reminded the world of a short paper he’d written some years ago on the rather unexpected topic of interstellar finance. You can teleport a copy to your automated reading device by clicking here. [...]

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Life, Unbounded

Calling All Sentient Lifeforms

Galileo spacecraft images us (NASA/JPL)

You may notice that today is the one year anniversary of the Scientific American blog network. You may also notice that across the blogs this morning is a shared theme; time for the readers to speak up. Inspired by the blogger Ed Yong, the Sci Am blogs are asking for your thoughts. Consider this an [...]

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Symbiartic

Hey, how’d they get those men on Mars?

12-021FEATURE

When Curiosity landed three weeks ago today, many news stories were quick to point out it is the biggest rover to date. They said it’s car-sized. But what does that mean – are we talking a Hummer or a Mini? And how did its predecessors measure up? While snooping around NASA’s Mars mission sites, I [...]

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