SocraticGadfly: World of science — Hungry thinking, early CO2, our black hole, more

September 05, 2008

World of science — Hungry thinking, early CO2, our black hole, more

Heavy thinking makes for additional eating. Problem — our now largely-sedentary society.

Astronomers are getting more evidence for the black hole believed to be at the center of our galaxy, with new radiotelescope imaging.

A new answer for why early earth didn’t freeze. Less carbon dioxide for greenhouse gas was needed than previously thought.

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