› added 9 years ago

100

TIL that roofies are now manufactured to leave tell-tale blue specks when mixed with liquid

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4Xw1N TIL Water is transparent to the human eye because of evolution. As Brian Skinner wrote: “Water is essentially opaque to all light except a narrow band of wavelengths that happen to correspond to the ones used by our eyes"
x6VEB TIL That Queen Latifah was the first rapper to perform at the Superbowl
0rWN TIL Offenders convicted of murdering white females were more than 14 times more likely to be sentenced to death than were offenders convicted of murdering black males
677Q TIL that an average person will walk the equivalent of 5 times around the equator during their lifetime.
GAVZ7 TIL about the earthquake so powerful it adjusted the north pole by 25mm, changed Earth's shape by 1 part in 10 billion consequently increasing its rotation and shortening a day by 2.68 microseconds.