Neil DeGrasse Tyson

... on why humankind needs science, and why government is particularly well suited for funding research.

"You can take a dollar and cut off this edge but don't get into the ink," he said. "Then cut off the other edge and don't get into the ink. Those two amounts of this dollar, that's the R&D budget of the United States. 

The rest is everyone complaining that our economy is losing ground in the world."

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