RT @BarackObama: What's the most embarrassing claim climate deniers in Congress have used to brush off science? Take your pick.
RT @JenLucPiquant: A tour of plasma physics in downtown Cambridge (MA): Inside MIT's Plasma Science and Fusion Center
RT @jmtsn: The late David McKay's big Mars-life paper from 1996 and President Clinton's speech about it
RT @jmtsn: David McKay, NASA astrobiologist and proponent of theory that evidence for Mars life was found in a meteorite, died yesterday. Link soon.