Today I Learned (TIL)

1071 users here now

You learn something new every day; what did you learn today?

/c/til is a community for any true knowledge that you would like to share, regardless of topic or of source.

Share your knowledge and experience!

Rules

• Information must be true
• Follow site rules
• No, you don't have to have literally learned the fact today
• Posts must be about something you learned

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