› added 1 year ago

96

TIL that tire particles are the biggest source of microplastics and we eat and breathe them every day

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BrOZb TIL that in the US at least, automobile safety — air bags, seat belts, etc.—is tested with female- and infant-sized crash test dummies as well as adult male sizes.
l7Yl1 TIL Sea kelp, the largest species of seaweed, reproduces with sperm and an egg.
XERnD TIL the famously isolated Sentinelese hunter-gatherer tribe appear not to know how to set fire. They rely on natural fire from thunderstorms and keep the embers burning as long as they can.
NXG8b TIL that when former White House press secretary James Brady died in 2014, his death was ruled a homicide because it was ultimately caused by a gunshot wound he sustained in 1981, during the attempted assassination of Ronald Reagan
xVMGk TIL the reason we can't wake ourselves up by snoring is that a part of our brain makes us expect the snoring before it happens, so we don't get surprised or woken up when it does happen