Samuel Arbesman Chance, Virtual Athletes & An Equation For Spelling Hannukah By Stephen Steigman & Brian Ellison • Dec 4, 2012 Ewing Marion Kauffman Foundation What are the chances of your favorite athletes being replaced by pixels? Let’s just say you might not have to worry about the next hockey lockout. Remember When Pluto Was A Planet?: The Half-Life Of Facts By Brian Ellison & Danie Alexander • Aug 30, 2012 Penguin Group (USA) A fact is something that actually exists; reality; truth. Until it isn't anymore. How does that happen?