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> Astronomy
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Michelle Borkin: Can astronomers help doctors?
09:39 Posted: Jan 2012
Comments 38 Emailed 75
Patricia Burchat: Shedding light on dark matter
16:09 Posted: Aug 2008
Comments 234 Emailed 501
Phil Plait: How to defend Earth from asteroids
14:16 Posted: Nov 2011
Comments 128 Emailed 111
Richard Dawkins: Why the universe seems so strange
21:56 Posted: Sep 2006
Comments 459 Emailed 808
Richard Feynman: Physics is fun to imagine
65:55 Posted: Mar 2010
Comments 134 Emailed 617
Roy Gould and Curtis Wong preview the WorldWide Telescope
06:42 Posted: Feb 2008
Comments 69 Emailed 829
Sean Carroll on the arrow of time (Part 1)
28:57 Posted: Feb 2010
Comments 151 Emailed 407
Sean Carroll on the arrow of time (Part 2)
24:21 Posted: Jan 2010
Comments 93 Emailed 121
Sean Carroll: Distant time and the hint of a multiverse
15:54 Posted: May 2011
Comments 268 Emailed 413
Seth Shostak: ET is (probably) out there -- get ready
18:40 Posted: Jun 2012
Comments 209 Emailed 53
Tom Shannon: The painter and the pendulum
13:21 Posted: Feb 2010
Comments 27 Emailed 207
Tom Wujec demos the 13th-century astrolabe
09:25 Posted: Nov 2009
Comments 74 Emailed 205
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