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TIL The coefficient of thermal expansion of steel is similar to that of concrete, eliminating large internal stresses due to differences in thermal expansion or contraction. This makes steel the ideal material to reinforce concrete in the world's largest structures.

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bGn9 TIL white people were also sold into slavery in the ante-Bellum South
M6VB TIL that the FCC considers 4mbps to be fast enough for hd online streaming
LQdEZ TIL that the rap video "Lazy Sunday" produced by thelonelyisland way back in the day helped YouTube achieve national recognition as a video sharing site not meant just for video creators 👀
9YVOm TIL in the 1960s, a woman found the head of an axe, a gashed skull, and macabre sketches of murder victims in an iron tub in her attic. It turned out to be the evidence from the Lizzie Borden murder trial- her father had been Lizzie’s lawyer, and she’d given him the evidence after her acquittal.
5wED TIL Kegel exercises can be beneficial for men as well. Men who do kegels tend to have stronger erections and orgasm, they typically last longer in bed, have an increase in angle of erection and developed increase bladder control.