› added 4 years ago

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TIL that caffeine has a half life of 5.7 hours on average. So even if you only drink coffee in the morning, it'll still be in your system when you go to bed.

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via reddit.com

ADPwB TIL - American fast food companies are banned from Iran, so the country is home to many knock-off fast food joints with similar branding and food, such as "Mash Donalds", and "Pizza Hot". Lawsuits from major corporations are rare due to the American/Iranian relationship and Iranian trademark law.
R7lJl TIL there's as much recoverable gold in 35 cell phones as there is in one ton of gold rich ore.
4XEn6 TIL that by age 3, a well-to-do child hears 30 million more words than a less fortunate one.
rEm0 TIL Mr. Rogers’ cardigans were knitted by his mom
OoxVY TIL that first person, who had his right to legally own a slave recognized by the Virginia courts was black.