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TIL China used more cement between 2011 and 2013 than America did during the entire 20th century

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N7dy8 TIL Bobby Fischer made the only perfect score in the U.S. Championship and went on to invent a modified chess timing system, which added a time increment after each move, now a standard practice in top tournament and match play.
MAOa TIL That an FBI Informant Recorded His Calls with FBI Agents that Proves the FBI knew the 1993 WTC Bombing was Going to Happen
J1Koj TIL The letter J was the last letter added to the English alphabet. "i" was used for "i" and "j" sounds until 1524.
M7ORA TIL about the Doppler On Wheels network where mobile Doppler radar trucks are used to collect data in snowstorms, in hurricanes, close to tornadoes, and other severe weather events
e0EyD TIL that in ancient Rome there was such a thing as bread fraud . Bread had to branded as a result so the government knew who to punish .