Research adds to the growing body of evidence that there’s a link between allergies and reduced risk of a serious type of cancer that starts in the brain.
Dave Pieri said, "A person in the U.S. or Europe won't be hit with a volcanic blast. That's almost inconceivable. But they might face a threat when they fly."
Earth’s carbon, found in Earth’s oceans, forests and other terrestrial ecosystems are still absorbing large amounts of CO2, but the uptake is not expected to continue indefinitely
Clues to Mars’ hidden past and what may have happened to its long-ago vanished rivers, and perhaps even oceans may be revealed when NASA’s Curiosity lands on Mars.