“ Accretion Disk? Doesn't the accretion disk of a black hole approach the speed of light tangential to the event horizon as it falls through it?... (read full comment) ” 

Posted on June 12, 2010 at 3:39 AM EDT

“ Beta Amyloid As I watch this movie I immediately imagined this movement fouled by tangles of amyloid fibers. (read full comment) ” 

Posted on April 18, 2009 at 9:06 AM EDT