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TIL Rosacea helps to maintain antimicrobial peptide levels during UV-deficient winters to combat life-threatening microbial infections, such as lupus vulgaris. Therefore, rosacea should not be considered as a disadvantage, but as evolution's blessing of the Celts which improved their survival.

Read more ncbi.nlm.nih.gov

via reddit.com

x6JwB TIL that the common shower loofah has its “roots” in the Luffa plant. The fruit section of L. aegyptiaca ( Luffa) can be processed, removing everything except the network of xylem fibers. It can then be turned into a kitchen or bath sponge, which is the origin story of the canonical shower loofah.
LkM49 TIL that after Kanye's interruption of Taylor Swifts acceptance speech, Comedy Central played a South Park episode mocking Kanye's ego, four times in a row, back to back.
E1850 TIL Of Alfred Kroeber who studied a man he named Ishi, the last member of the Yahi tribe who walked into the modern world in 1911. In Ishi's culture, knowing ones name gives you power over them, so Ishi just means Man. This idea of magic in naming things influenced Kroeber's daughter Ursula Le Guin.
5JRk TIL that Donald trump proposed a onetime tax of 14.25% on individuals and trusts worth $10 million and up in 1999 that would eliminate national debt.
e0yOL TIL the differences between AI and Machine Learning are: in ML, the system learns from data. It does not make its own decisions. In AI, the system makes decisions. ML is one of the many goals of AI. AI has multiple goals like reasoning, computer vision, robotics, machine learning, etc.