Yes, folks, it’s YouTube Weekend! (Our daycare is closed and it’s convention/caucus season in Minnesota and I’ve got a candidate!)


  1. #1 Blind Squirrel
    March 9, 2012

    Except that the process of the formation of heaver elements is quite well understood, as opposed to the origin of life. The latter would get my vote.


  2. #2 F
    March 9, 2012

    Iron is the star-killer.

  3. #3 bks
    March 10, 2012

    The most astounding fact is that Euplotes, a unicellular organism, can walk.