Science is simply a powerful way of understanding what's real and what isn't, what's true and what's not. It can help us determine what works, what doesn't, for whom, and under what circumstances.

Preventing cardiovascular disease can help free up critical resources for treating HIV/AIDS and other illnesses.

When the U.S. claims the right to invade any country unilaterally and then defines a country like Iran or North Korea as 'evil,' then it is a rational response for these countries to develop nuclear weapons as the only military deterrent to invasion. We create what we most fear.

Too much power in any institution tends to stifle innovation.

Why are we, as a nation so obsessed with foreign things? Is it a legacy of our colonial years? We want foreign television sets. We want foreign shirts. We want foreign technology. Why this obsession with everything imported?

As digital equipment replaces the jobs of routine workers and lower-level professionals, technicians are needed to install, monitor, repair, test, and upgrade all the equipment.

The Internet offers authors and their readers a new diversity of opportunities and freedom.

Social media has given us the world at our fingertips every morning. And we watch it change, live. In the morning, in the old days, we'd read the 'Post,' and that was what we had.