One of the biggest problems with the world today is that we have large groups of people who will accept whatever they hear on the grapevine, just because it suits their worldview—not because it is actually true or because they have evidence to support it. The really striking thing is that it would not take much effort to establish validity in most of these cases… but people prefer reassurance to research.

Seventy percent of Earth's surface is water and over 99 percent is uninhabited, so you would expect nearly all impactors to hit either the ocean or desolate regions on Earth's surface. So why do movie meteors have such good aim?

95, 96 percent of all that drives the universe has no known origin.

Speaking as just simply an American who cares about the economic health of our country, I see one of the surest ways to bring wealth and prosperity to the country is to innovate in science and technology.

Science literacy is a vaccine against the charlatans of the world that would exploit your ignorance.

If you're a scientist, and you have to have an answer, even in the absence of data, you're not going to be a good scientist.

The problem in society is not kids not knowing science. The problem is adults not knowing science. They outnumber kids 5 to 1, they wield power, they write legislation. When you have scientifically illiterate adults, you have undermined the very fabric of what makes a nation wealthy and strong.