Agricultural soil erosion is not a source of carbon dioxide to the atmosphere, according to research published online today in the journal Science.

  For thousands of years, people have used clay to heal wounds, soothe indigestion, and kill intestinal worms. The recent rise of drug-resistant germs has scientists looking more closely at these ancient remedies to learn exactly what they can do and how they do it.

  An inflatable space station, to be precise — a massive bouncy castle meant to expand when it gets into orbit.

  NASA has agreed to search its archives once again for documents on a 1965 UFO incident in Pennsylvania, a step the space agency fought in federal court.

  Some rare types of trees, butterflies and other wildlife could lose their struggle for survival after this month's southern California fires, which ravaged one of the most unique, biodiverse areas in the world, scientists say.

  Thomas Edison is widely known as the greatest inventor the world has ever known. Nikola Tesla is also known as a great inventor and many people say he was more brilliant than Edison was. So who was really the best?

  Agricultural soil erosion is not a source of carbon dioxide to the atmosphere, according to research published in Science.

  All is not well in Apple-Land. Several threads on the Apple discussion forums indicate a defective batch of DVDs, as well as BSODs ("blue screen of death") after installation. Now, much as I always say about Microsoft, you can't expect 100% flawless behavior; there's no such thing as bug-free software after all. But the defective DVDs, on the other hand, seem pretty widespread.

  Political leaders, tech executives, and academics often claim that the U.S. is falling behind in math and science education.

  WORKING UP A THIRST: NASA is developing a water recovery system for the International Space Station that will recycle astronauts' urine, among other things, to make drinking water.