1. Richard Feynman

    To date, around 1700 planets have been discovered outside our solar system.

    Considering how long we've been looking (not very) and the obtuseness of our detection methods/instruments until very recently, that is a LOT. I find this stuff indescribably moving. Our blue dot is becoming paler by the minute.
  2. Richard Feynman

    Perception of time (brace yourself).

    We all know time subjectively passes quicker as we age. Remember the endless summers as a child? Then suddenly the work weeks are flying by, next it's years. Well, for those of you interested, there's a simple formula to calculate how long it will "feel" like between now and a future age. Are...