› added 11 years ago

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TIL that male survivors of Ebola Virus Disease can harbor active virus in their sperm, and transmit the disease sexually months after their own recovery.

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via reddit.com

EgVg7 TIL the second Rashidun caliph, Umar ibn al-Khattab, a senior companion and father-in-law of the prophet Muhammad, was assassinated by a Persian slave in 644 who stabbed him with a double-bladed dagger, apparently due to Umar's refusal to lift a daily tax imposed on the slave by his slave master.
xNX0 TIL that male’s testicles hang at different lenghts so they don’t collide with eachother while running or sitting
9YvJp TIL Faulty coffee machines are one of the most common causes of flight delays.
OAdX TIL Stephen Hawking provided the voice of his own head in a jar on Futurama.
rNpZx TIL There’s a missing “Pope John XX” — because of confusion during the Middle Ages, the numbering skipped from John XIX directly to John XXI. There never was an official John XX!