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TIL that The Beatles once held the top 5 spots of the Billboard Hot 100 - more than anyone else ever - but had another 7 songs on the list at the time.

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e0lXJ TIL that the red liquid seeping out of a cooked rare steak isn’t blood. It is in fact a mixture of a protein called ‘Myoglobin’ and water. Myoglobin helps muscle tissue store oxygen and just like Hemoglobin, contains iron that turns red when it binds with oxygen.
oByLW TIL the inspiration for Macintosh computers came from 1970's Xerox technology
0adv TIL There are 5 so called “Lagrangian Points” wherein the gravitational effects from the Sun and Earth balance out. These points would act as a solar parking space for objects within their limits.
v6OD TIL on July 4, 1054, A supernova was seen by Chinese, Arab, and possibly Amerindian observers near the star Zeta Tauri. For several months it remained bright enough to be seen during the day. Its remnants now form the Crab Nebula.
Wk45A TIL that capsaicin, the substance that makes peppers spicy, is found primarily in the white membrane in the pepper; the seeds do not contain any capsaicin