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TIL: Saudi Arabia produced a school textbook in which Yoda was superimposed on a photo of the late King Faisal.

Read more bbc.co.uk

via reddit.com

79pp TIL that no country in the world has a lower life expectancy than the the countries with the highest life expectancy in 1800.
VBwAk TIL From 1812-1814, Joseph Fraunhofer studied the spectrum of solar light passing through a thin slit and recorded 500 dark lines. Newton missed seeing dark lines in 1666 because he shone light from the whole solar disk through a circular hole into his prisms
rgjo TIL when Richard III’s remains were discovered, while the maternal DNA was matched to a known descendant of his sister, his paternal DNA did not match his (supposed) modern relatives.
VM6em TIL The Roman Army used some marching songs, like many of today's militaries, while on the move. Unfortunately, only one genuine song survives today, called Urbane (or Urbani by some).
GAerN TIL that a single gram of DNA can theoretically store 215 petabytes of data