26Gastrointestinal tract
About 95% of serotonin is produced in the gastrointestinal tract which is lined with a hundred million nerve cells, or neurons, that are influenced by bacteria. The inner workings of the digestive system don’t just help digest food, but also guide moods and emotions.
27. Alexa commercials are intentionally muted in the 3,000 Hz to 6,000 Hz range of the audio spectrum, which tips off the system that the “Alexa” phrase being spoken isn’t, in fact, a real command and should be ignored.
28. In Germany, there exists the only tree in the world with its own mailing address. The "matchmaking" tree receives about 1,000 letters per year from singles looking for love. Anyone can take letters from the tree and respond. It is estimated the tree is responsible for over 100 marriages.
29. Kano Jigoro, the father of Judo, asked to be buried in his white belt to be remembered as a learner and not the black belt master that he was.
30. Speed reader Kim Peek could read a book in an hour by scanning the left page with his left eye then the right page with his right eye. He also had an exceptional memory, able to accurately recall the contents of over 12,000 books.
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31Mars calendar
A calendar system for Mars has already been devised for potential future settlement. The calendar contains 24 months of 27 or 28 days each, named after Latin and Sanskrit constellation names.
32. Jane Minor, a slave born in 1792, was freed due to her medical work during an epidemic in 1825. She spent her life buying the freedom of other slaves. She freed at least 16, some costing over $2000, on a salary of around $2-$5 per medical visit.
33. In the Rock, Paper, Scissors game, on the first throw, the paper is the best choice. Paper ties with paper and statistically, scissors is the least popular choice overall. Also, men favor rock.
34. Fawns (baby deer) are often left alone for hours while their mothers forage for food. Sometimes well-meaning people ‘kidnap’ the fawn thinking it’s abandoned when it’s really just waiting for its mom.
35. Dexter Holland, the lead singer of The Offspring is a doctor fighting to cure HIV. In 2017, finished a Ph.D. program in molecular biology, publishing a 175-page dissertation on the molecular dynamics of HIV and general virus/host interactions. He is also a licensed pilot who has completed a solo flight around the world in 10 days.
