Listen to Dr. Gruber on Neil deGrasse Tyson's Star Talk in his episode discussing superheroes, space exploration and (more relevantly) medical marijuana. Listen here.
Geeking out with Whoopi Goldberg (& Dr. Gruber!)
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Listen to Dr. Gruber on Neil deGrasse Tyson's Star Talk in his episode discussing superheroes, space exploration and (more relevantly) medical marijuana. Listen here.
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