"I am an advocate for awareness, the truth, and a person's right to know. I believe that in the absence of the truth, all of us stand helpless to defend ourselves, our families and our health, which is the greatest gift we have."

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There's no greater sign of the failure of the American educational system than the extent to which Americans are distracted by the possibility that Earth might end on December 21, 2012. It's a profound absence of awareness of the laws of physics and how nature works. So they're missing some science classes in their training in high school or in college that would empower them to understand and to judge when someone else is basically just full of it. Science is like an inoculation against charlatans who would have you believe whatever it is they tell you.

— Neil deGrasse Tyson