› added 8 years ago

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TIL Majel Barrett’s recorded voice is still used today by Union Pacific Railroad giving notification of train and railroad track defects.

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QNkoa TIL: Males have different personalities types.
g084 TIL that there are “lone planets” that roam endlessly through space without ever going into orbit. They are actually predicted to be more common than stars.
xklD TIL There exists a mathematical concept of “negative zero”
ZQVp TIL of the saluting trap. British army conscripts would form a large group, then one by one walk to an officer. Each would salute, forcing him to salute back. The goal was to force the officer to salute as many soldiers as possible as fast as possible to make his arm sore.
4XAja TIL of Chad Varah—a priest who started the first suicide hotline in 1953 after the first funeral he conducted early in his career was for a 14-year-old girl who took her own life after having no one to talk to when her first period came and believed she’d contracted an STD.