What do you know today that you didn't know yesterday?

[Anomalocaris]

Saddam Hussein commissioned a calligrapher to write a copy of the Qur'an using vials of Saddam's blood.  It took over two years and is known as the Blood Qur'an.

The calligrapher should have worked much faster so as to require draining saddam’ s blood all at once.

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Famous soccer player, Cristiano Ronaldo, refuses to get any tattoos on his body just so he can continue on donating blood.

I had no idea tattoos preclude one from donating blood?

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In September 1956, Grumman company test pilot Tom Atteridge became the first man in history to shoot down his own fighter plane. After firing two short bursts from the plane's 20mm cannons, Atteridge took the F11F Tiger into a steep dive. His flight path intercepted the decaying trajectory of the rounds he'd fired, disabling the aircraft and forcing Atteridge into a crash landing, which he survived.

Boru

Hmmm,  that might be the first time it had been done in an airplane.   But is it far from the first time when some military vehicle manage to intercept its own weapon fire.   During WWII, several submarines were hit by their own malfunctioning torpedoes that circled back due to gyro problems.

Also, soldiers firing weapons straight up in the air have been known to be struck by their own bullets on the way down.