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TIL paleontological research shows that the part of the human brain that controls hearing and our sense of smell shrank around the same time as we began to domesticate dogs.

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nWLG9 TIL scientists uncovered “obelisks,” strange RNA entities hiding in 50% of human saliva, widespread yet undetected until 2024. These rod-shaped structures produce unknown proteins, survive 300+ days in humans, and defy life’s classifications. Their origins and purpose remain a mystery.
l78a5 TIL Quaternary Twins are when two babies are both cousins and genetically siblings. This happens when two identical sisters have children with two identical brothers.
awKmo TIL a video on YT called "Neutral Response" contains equal likes and dislikes (552K As of today). For 12 years, users were balancing the amount of likes and dislikes. Perfect balance for 12 years. Today, YT announced that they are removing the dislike count on all of their vids.
Zmdp TIL The Chevy Cavalier was imported into Japan and re-branded a Toyota
Axbd TIL human egg and sperm cells can be created from the skin cells of any two humans, regardless of gender, allowing for reproduction