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TIL each year during their northern migration from Mexico to the US, thousands of Ruby-throated Hummingbirds are known to individually fly 500 miles nonstop across the open water of the Gulf of Mexico to reach U.S. shores. It takes approximately 18-22 hours to complete this solitary flight.

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ADE7 TIL that the Danish King Harald Blatand ate so many blueberries that his teeth stained blue. “Bluetooth” is named after him because of his ability to unite warring Scandinavian factions, just as Bluetooth unites wireless devices. The Bluetooth logo is also a combination of the Kings Runic initials.
Zp0kv TIL about the release of Jonathan Tieu, who broke out of a county Jail while awaiting his trial since the age of 15 for a gang related murder and attempted murder. Despite never having fired any gunshots or being a member of any gang involved in the alleged shooting.
DlZr TIL that there are fake Harry Potter books written in China using material from other authors, with titles such as “Harry Potter and the Filler of Big” and “Harry Potter and the Chinese Overseas Students at the Hogwarts School of Witchcraft and Wizardry”
LQDvV TIL about the Future Library project, a public artwork to collect an original work by a popular writer every year from 2014 to 2114. The works will remain unread and unpublished until 2114. 1000 trees were planted to supply the paper for the published books at the project's conclusion.
6Eg0Y TIL almost all the stones/rocks used in the sport Curling is from the small uninhabited Scottish island, Ailsa Craig. The only other source of the stones is a quarry in Wales.