Swedish philosopher Torbjörn Tännsjö argues that humans have a moral duty to reproduce -- and to do it early and often. Oof.
Now that weeds can stand up to herbicides, farmers have to uproot them the old-fashioned way: with garden tools.
If you want to change the culture, you have to get your message spread by "trusted advisers." Then get them to repeat themselves a lot.
In a study of almost 2,000 kids in El Paso, Texas, researchers found a strong correlation between air pollution and academic performance.
Here's what the science says.
A new study shows it's not just hippies who distrust vaccination.
New research finds that seas have risen by an average of three inches over the past two decades, and they're only going up.
There are many ways to juice your gadgets without throwing away mountains of dead batteries. Umbra charges through the options.
You've used our searchable database. Maybe you've found that the home you're living in was one of FEMA's formaldehyde-laden Katrina trailers. What can you do? Many things, it turns out.