Things that are true and strange.

8 verified facts. Each one checked against at least two independent authoritative sources, with the sources shown and the rejected claims kept on the record.

• FACT 008
  Earth holds roughly three trillion trees — at least seven times more than the estimated number of stars in the Milky Way
• FACT 007
  A lightning channel heats the surrounding air to about five times the temperature of the Sun's surface
• FACT 006
  Octopuses have three hearts; the systemic heart stops during jet-propelled swimming; blood is blue from copper-based hemocyanin
• FACT 005
  Tardigrades survived the open vacuum of space for ten days in 2007, and most returned alive and reproduced
• FACT 004
  Goosebumps are an ancient fur-raising reflex, and music fires the very same one
• FACT 003
  The smell of rain (petrichor) is largely geosmin, a signal made by soil bacteria that humans are extraordinarily sensitive to
• FACT 002
  Honey (essentially) never spoils
• FACT 001
  A day on Venus is longer than its year