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TIL that some cacti species exhibit a form of neuroactivity, these species produce psychoactive compounds which have been used by Indigenous peoples in religious rituals for thousands of years.

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R7P9l TIL the Mathematical Association of America (MAA) does not believe it is important for students to take calculus in high school, saying “the pump that is pushing more students into more advanced mathematics ever earlier is not just ineffective: It is counter-productive.”
V0WD TIL that in an effort to reduce childhood obesity, Belgium substituted beer for soft drinks in school lunches
R5P11 TIL about Qanats, which is a water supply system that was developed in ancient Iran for the purpose of transporting usable water to the surface from an aquifer or a well through an underground aqueduct. Proving crucial to water supply in areas with hot and dry climates.
Xd16 TIL U.S. income inequality is now the highest it has been since 1928: 1 year before the Great Depression
ZY84 TIL Oprah and Roger Ebert once dated, and it was on that date that Ebert gave her the idea of making a syndicated talk show.