Obesity has now reached the point where serious engineering consequences are required.

Contrary to Al Gore's predictions, our current lack of hurricanes is causing significant problems.

Are boaters deliberately trying to kill manatees?

It does seem slightly odd that the famous Nobel Peace Prize should go to someone who is famous, more or less, for talking loudly.

A chain of progression - one leads to the next, then the next...

How can you take action in a rational way if you won't even take the time to understand the issue you're incensed about?

There's no simple cure for loneliness, but there is a simple answer to the #2 question, "Why are men such couch potatoes?" What does a man want more of that he could have more of if he were in better shape?

Will there be unity in Iraq? Saddam proved that fear can unite Iraqis enough to get them to stop killing each other, but it's not clear that anything less will do the job.

China and India are adopting personal automobiles. If they follow our path, each country will put itself in a position of its entire economy being vulnerable to interruption of its oil supplies.

There aren't any really poor people in America.