minus-squareclassic@fedia.iotoToday I Learned@lemmy.world•TIL that Radon is a radioactive substance which can cause cancer. Colorado is full of radon. The average level of radon in Colorado homes is 6.4 pCi/L, which is equivalent to 200 chest X-rays a yearlinkfedilinkarrow-up10·6 days agoLol wth linkfedilink
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