• Melody Joy Kramer:
  Why invade Canada? They have billion-year-old water: http://news.nationalgeographic.com/news/2013/13/130517-billion-year-old-water-mine-canada-ancient-microbes-science/ ? I want to drink it. (cc: @natgeomag)

@mkramer Not a good idea to test your immune system against ancient microbes. But don’t worry; *all* water technically 4.7 billion y.o.