The coldest winter in a decade in many places, with snow in unlikely cities such as New Orleans, has deflated some of the hot air in global warming. And a heavy snowfall that paralyzed Washington, D.C., upstaged a mass demonstration scheduled to promote …

The idea that an Obama administration will be open to scientists with inconvenient opinions is absurd.

"New Ways to Diagnose Autism Earlier" read a recent headline in the Wall Street Journal. There is no question that you can diagnose anything as early as you want. The real question is whether the diagnosis will turn out to be correct.My own …