› added 6 years ago

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TIL that during WWI, officials didn't trust units of the D.C. National Guard to secure infrastructure around the capital because so many of their men had foreign ties.The job was given to the only unit they felt they could trust as 100% American: the all-black 1st Separate Infantry.

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dDV57 TIL that one of the simplest and most effective ways to reduce eye strain while working on a computer is to follow the 20-20-20 rule. Every 20 minutes, take a 20-second break to look at something 20 feet away.
mMgo TIL there’s a mutant in the Marvel Universe named ‘Eye-Scream’ whose only power is to 'transform himself into any flavor of ice cream, including banana-split.’
RD44 TIL Robert Watson Watt, pioneer of Radar, was caught speeding at the age of 64, by a cop with a Radar gun.
9pZ7 TIL blackberries and strawberries are not berries, but tomatoes and avocados are.
E1xgw TIL the Megalania, a venomous 23ft long species of giant monitor lizard, was hunted to extinction by early human inhabitants of Ice Age Australia.