CultureChemistry Explains Why We Use Salt on Ice in Wintry Weather It's January and we know what that means: cold and icy weather. Many of us, though, still take to the roads, but not before city and state officials lay down salt. But how exactly does that salt melt the ice?by Robin Burks
ScienceAntarctic sea levels rise too fast as ice melts, freshwater increases in oceansby Rebecca Kaplan
ScienceNASA wants citizen scientists to take control over and rescue derelict satelliteby James Maynard