US #thundersnow from above -check out the dramatic photos taken by astronaut @StationCDRKelly twitter.com/stationcdrkell…

Congrats to Roy Kerr & Roger Blandford, awarded Royal Swed. Ac. of Sciences’ 2016 Crafoord Prize in Astronomy crafoordprize.se/press/arkivpre…

“Two leading candidates for a theory of everything, long thought incompatible, may be two sides of the same coin.” twitter.com/skdh/status/68…