It turns out the size of your fork affects how much you eat. Yes, size matters--but not in the ways you might think.
Henry Evans can't speak or walk. He can only move one finger and his head. Now robotics geniuses Willow Garage are working with him to create a mechanical helper that could drastically improve Evans's life.
The huge storm in Phoenix on July 5, 2011 started with wind from local thunderstorms. And then it encountered a lot of dust.
People the world over eat more fish than the environment can sustain. In Europe, they ate a year's worth of fish by July 2. Every fish they eat now is just pushing species closer to extinction.
The EPA calculates the value of the medical procedures and loss of life that can come from breathing pollution. The conclusion: clean air is an incredible investment in the economy.
A Brazilian project called ADAPTA will put hundreds of species from the Amazon in conditions that mimic what the world will be like after years of climate change. The mission: to see which animals adapt and which will need our help to survive.