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TIL Craig Sager cut his son off from his will and left him with all the medical bills after his son spent 9 days at a hospital to donate stem cells for his father’s cancer treatment

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4X6Ko TIL of a woman born with 3 fingers on her right hand. After a tragic accident, she lost her right hand and later developed a phantom limb...with 5 fingers, suggesting her brain "knew" what a hand was supposed to feel like.
kJ86m TIL, That since domestication, dogs' eyes have changed. Dogs now have eye muscles that make them more expressive and infant-like. These same muscles are absent in wolves, their closest relative.
rQ8o TIL a failed experiment of an 18 year old English chemist in search of a treatment for malaria in 1856 produced one of the world’s first synthetic dyes for the color purple, which severely impacted economic trade as some natural dyes were major commodities more valuable than silver or gold
9Y0BQ TIL The Halifax Explosion was the biggest man made non weapons test explosion that resulted in casualties, with force equivalent to 2.9 kilotons of TNT the explosion caused 60 foot tsunami's and a shock wave that traveled at 7889 meter/s (23X speed of sound) and temperatures of 9,000°F at the center
N7koN TIL there’s even a crater on the moon named after a Confederate officer.