Science editor at NBCNews.com, Cosmic Log blogger, author of The Case for Pluto
The big reveal
"if anybody's interested, the structure is moving." #nasatweetup #Endeavour
Standing around waiting for RSS retract at #Endeavour #sts134 launch pad #nasatweetup
Scores of #shuttle shooters set up for #Endeavour unveiling. #sts134 #nasatweetup
Whoa! Double rainbow over the Cape! Good omen for #STS134 #Endeavour #NASAtweetup
Me and @dulehill on the #Psych set. Gus now has #CaseForPluto on desk. Look 4 it in Ep 3
Me and @dulehill at #Psych set
Touring Sound Spirits vodka distillery with@nasw (yes it's science)
It's #EarthHour in Seattle
Lone anti-Pluto protester @spacetravelco: "Where's Pluto's birth certificate?"
Pluto protest at Neptune Coffee: "Pluto matters ... Lame scientists"
Pluto rally @spacetravelco: "Pluto and Keanu are sad"
Zombie girl at Seattle #Comicon
At the feet of Capt. Kirk at Seattle #Comicon
Freshly minted AAAS fellows @saeditorinchief and @russellcris
Neil Johnson uses Legos to explain interaction in conflict at #sciwri10
Edw. James Olmos tells the story behind "So Say We All" speech on BSG
Fuzzy pic of EJOlmos and panel at Battlestar reception
Yes, there are people in BSG regalia
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