SpaceAstrophile: Mars coils hold with those who favour fire Spirals newly glimpsed on the floor of a Martian valley settle a poetic debate over whether the valley was carved by fiery lava, or ice ¿ìè¶ÌÊÓÆµ
EarthOcean current slowdown made Earth spin faster Half of the days in November 2009 were 0.1 milliseconds shorter than normal thanks to slower-than-usual currents around Antarctica ¿ìè¶ÌÊÓÆµ