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?
WHAT'S INSIDE: SCIENCE VS. MYTH
- Everyday Myths
- Extrasensory Perceptions
- Strange Creatures
- Unexplained Phenomena
- What If
In 1977, SETI volunteer Jerry Ehman found a transmission printout so exciting he circled the paper with the word "Wow!" It seemed to indicate a message from outer space. But was it really?
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?