Burning carbon-based substances like oil, gas, and especially coal, produces billions of tons of extra carbon dioxide each year. Methane gas from cow….

The strange thing about grinding that might surprise many people is that you can grind things and shape them using materials that are generally somew….

We need them. We need scientifically literate voters and taxpayers for the future..

You start doing the addictive behavior to feel good and then your receptors get overloaded with dopamine, then you stop doing the addictive thing and….

Bicycling is a big part of the future. It has to be. There's something wrong with a society that drives a car to work out in a gym..

I say to the grown-ups, 'If you want to deny evolution and live in your world that's completely inconsistent with everything we've observed in the un….

We should educate more women and girls. Because that is the surest route to controllably, manageably reducing the human population. Educated women ha….

Science provides a much more satisfactory way to seek answers than does any religion..