I've always been more interested in organisms that can move on their own than in stationary plants. But when I canoe or hike along the edge of lakes or oceans and see trees that seem to be growing out of rock faces, I am blown away. How do they do it?

The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.

The future doesn't exist. The only thing that exists is now and our memory of what happened in the past. But because we invented the idea of a future, we're the only animal that realized we can affect the future by what we do today.

If America wants to retain its position as a global power, its president must listen to the people and show strong leadership at this turning point in human history.

Money is great, but it doesn't make your husband stay at home with you.

Government does create prosperity and growth by creating the conditions that allow both entrepreneurs and their customers to thrive; balancing the power of capitalists like me and workers isn't bad for capitalism - it's essential to it.

Fantasy sports went a long way toward developing the sabermetrics formulas used not only by oddsmakers but general managers in hiring players. So the amateur fantasists ended up creating some of the algorithms that Oakland GM Billy Bean's statisticians used to win games with less salary money available for star players.

If bad and inexperienced politicians control power in Nigeria, my wealth may turn into poverty, and I am not ready to become a poor man.