This back-to-school season, it's time to reevaluate a few common assumptions about how best to study. Benedict Carey, the author of <em>How We Learn</em>, says science shows that discipline isn't everything.
One of the worst byproducts of our industrial society is air pollution. It's a global problem that humans have yet to get under control. One scientist thinks we might not be alone, though. Alien civilizations may be polluting their worlds, and that pollution might be one way to detect them.
The EPA wants to "clarify" the scope of its oversight of water under the Clean Water Act. Big farm groups like the American Farm Bureau Federation call this a power grab that would place every ditch and mud puddle under federal regulation, forcing farmers to get permits for small trenches around the farm.
Operators of the Turkey Point nuclear plant near Miami have received federal permission to run their cooling system above the old 100 degree limit. The decision is meant to combat algae growth and rising temperature in cooling canals, but environmental groups in nearby Biscayne National Park are concerned.
For one month every summer, hundreds of thousands of purple martins stop by an abandoned shopping mall parking lot in Austin, Texas, on their way to the Amazon Basin. Reporter Luke Quinton visited this year's roosting and offers a glimpse of the phenomenon.