Director of Astrobiology at Columbia University. Blog at Sci Am (#sciamblogs). Author of The Zoomable Universe, The Copernicus Complex, Gravity's Engines...

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@caleb_scharf — 3,980 followers, 8,295 tweets

RT @dzsenits: I've always loved the LEM hammocks. Sleeping there, in one-sixth gravity and a third of an atmosphere, separated fr… https://t.co/x9Ig0TWSwj
@LeeBillings @Astro_Wright @david_kipping I agree with Lee. I also don't think that papers always using scientists to check/reign-in solves everything, it helps, but ultimately you need good journalism
Rather thrilled that The Zoomable Universe is currently a best seller over at Amazon Italy (foreign language books) !
RT @rabihalameddine: "Goddesses Prepare for Battle Against the Army of Demons" (Copy of a miniature painting from 1800-10 from Kangra) https://t.co/UEJwcoGuEd
RT @WhySharksMatter: Apropos of nothing in particular, here's a thread about why sharks are not terrifying, why they're important, why h… https://t.co/EHXNlw7SP2
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