When big spills hit our environment, scientists think the best sponge is the one made out of aerogel, a substance that's a cross between a slice of Jell-O and a brick of smoke. Why are aerogels so good at cleaning up some of our worst messes? See more »

A simple doll can't tell a researcher whether a car crash resulted in a broken bone, a cracked rib cage or skin abrasions. Crash test dummies, on the other hand, are sophisticated enough to simulate such injuries. See more »

Does God exist? The existence of science would lead some to say "no" -- and vice versa. However, some of the world's leading scientists are trying to reconcile these two wildly disparate belief systems. See more »

Most of us are accustomed to watching 2-D films with flat images. But when we put on 3-D glasses, we see a world that has depth. We can imagine existing in such a world because we live in one. What about another dimension altogether? See more »

Even though they've come down in price, solar panels are still expensive and somewhat inefficient. And then there are cloudy days. Can solar panels ever replace fossil fuels for our everyday needs? See more »

To anyone familiar with the solar panels of the past, the possibility that a tarp could turn solar energy into electricity is pretty amazing. Could your next high-tech tent provide shelter and energy? See more »

People in remote areas can't just connect to the Internet anytime they want. To solve that problem, United Villages has outfitted a number of buses with WiFi equipment. But there's a catch -- it's not a direct connection. See more »

Incubators can save the lives of premature babies, but the devices are expensive and people in developing countries may not be able to afford them. One organization has found a way to help by repurposing old cars. See more »

If you were to fly west around the world, fast enough so that you crossed one time zone every hour, would you stand still in time? See more »

Can you do creepy, bendy things with your fingers that freak out your friends? You might have been called double-jointed. What's really going on with those joints of yours? See more »