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Where Should We Search for Intelligent Life on Mars? Follow the Martians.

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Every Wednesday, Michio Kaku will be answering reader questions about physics and futuristic science. If you have a question for Dr. Kaku, just post it in the comments section below and check back on Wednesdays to see if he answers it.

Today, Dr. Kaku addresses the question of where should NASA go to look for intelligent life on Mars? To get to the truth, journalists say follow the money. Astronomers say follow the water. Dr. Kaku says “if you were a Martian on Mars three billion years ago when Mars was probably a lush environment with liquid water oceans—and you realized that the water was escaping to the icecaps, escaping into outer space or going into the permafrost,” then you would “probably go either into outer space to leave Mars or drill into the permafrost or go into the polar icecaps.  So I think that’s what NASA is going to do next.”

Watch the video here:

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