todayinsci.com

yVGjv TIL that sparkling water was invented by Joseph Priestly, who also discovered oxygen; he speculated that CO₂ might treat gastrointestinal infection (taken rectally) and even cancer
xVEx0 TIL: One evening, while rushing for dinner after a long day at the lab, Constantin Fahlberg, a chemist at Johns Hopkins, forgot to wash his hands that had traces of benzoic sulfimide. This compound made his dinner taste sweet, and that’s how he discovered the artificial sweetener Saccharin.
8Wja TIL: Einstein explained Relativity as “When a man sits with a pretty girl for an hour, it seems like a minute. But let him sit on a hot stove for a minute—and it’s longer than any hour. That’s relativity.”