Quarantines can help a society protect itself from dangerous infections. The word comes from the French, for the 40 days of isolation once faced by new arrivals who may have been infected. After the quarantine has passed, they were either certified to be disease-free
The Mountains of Mars: Surveyor Snaps Pics
From a mechanical lemon on its Mars Global Surveyor probe, NASA has crafted scientific lemonade. The space agency today unveiled snapshots of the Martian surface that display features ranging from taller-than-Mount-Everest volcanoes to flat-as-a-sheet plains.
Dreams of the Red Planet
Mars has only recently moved out of the glare of the Sun as Earth slowly overtakes it in its orbit. In the minds and hearts of 700 enthusiasts (myself among them) who met last week in Boulder, Colo., Mars always shines as a target for a rebirth of American frontier adventuring.
Confirmed: Mars Like Earth: First Published Results from Pathfinder
Mars has clouds. A molten core much like the Earth

