NASA
Science at Nasa: Science Casts: Strange Flames on the International Space Station
Researchers experimenting with flames onboard the International Space Station have produced a strange, cool-burning form of fire that could help improve the efficiency of auto engines. (June 17, 2013) [4:17]
NASA
Science at Nasa: Science Casts: The "Sleeping Giant" in Arctic Permafrost
Arctic permafrost soils contain more accumulated carbon than all the human fossil-fuel emissions since 1850 combined. Warming Arctic permafrost, poised to release its own gases into the atmosphere, could be the "sleeping giant" of...
NASA
Science at Nasa: Science Casts: Did Earth Have Two Moons?
Did our planet once have two moons? Some researchers say so. Moreover, that missing satellite might still be up there - splattered across the far side of the Moon. NASA's GRAIL mission could help confirm or refute the "two moon"...