› added 1 year ago

79

TIL at over 100 years old, Iris Cummings is the sole surviving attendee of the 1936 Nazi-Germany Olympics

Read more wikipedia.org

via reddit.com

4gZa TIL that when John Walker used a stick to stir a pot containing antimony sulfide, potassium chlorate & sulfur, some of the mixture stuck to the end of the stick. When he tried to scrape the lump, it easily caught fire (due to friction) & this led to the birth of friction matches.
ADm8d TIL ancient Romans used urine to whiten their teeth. When left out too long, urine decomposes into ammonia, which is a great cleaning product that takes out stains easily.
Zx8o TIL the title sequence of Fight Club accurately traces a nerve impulse from the brain’s “fear center” to various affected tissues
w7gP TIL that in early feudal Japan there was a class of female Samurai called Onna-Bugeisha who commonly engaged in battle alongside the men and were trained in the use of weapons to protect their household, family, and honour in times of war.
g64b TIL there really is/was a meth cook named Walter White