Mental Floss

MEDICINE

Wellcome polio vaccine dropped on to sugar lump for child patient.

Go check those medical records to see if you’re vaxxed, and meanwhile, learn more about the polio with these nine facts.

Jennifer Billock

From facts about the COVID-19 vaccine to tidbits from vaccine history, here’s everything you ever wanted to know about immunization.

Kat Long






Back in the day, you might have encountered someone with a bridge to sell you.

From fake relics to fake princesses to medical fraud involving goat testicles, history is rife with con jobs that managed to fool unsuspecting marks.

Jake Rossen


An enviable spread.

Are N95 masks reusable? It depends on a few factors—here’s how to tell when yours is ready to be replaced.

Ellen Gutoskey
Watercolor drawing of the leg of a patient, age 50, who had scurvy for 12 months' standing.

Scurvy’s mysterious cause wasn’t identified until the 20th century. Here are a few facts from the disease's long and miserable history.

Kat Long


oatawa/iStock via Getty Images Plus

From really expensive NFTs to newly discovered shipwrecks to the latest developments in the world of K-Pop, here are a few things we learned in 2021.

Jonathan Mayer, Justin Dodd










Next time your nose gets stuffy, make sure you know how to blow it correctly.

You're probably blowing your nose too hard. Here's the right way to clear your sinuses, according to experts.

Michele Debczak


MATTHIASRABBIONE/iStock via Getty Images

If you think you've been stung by a bee, you should act fast. Here's how to remove the bee stinger and treat the sting.

Michele Debczak


Get yours.

Is the COVID-19 vaccine safe? What do COVID-19 vaccine side effects really mean? Here’s the truth about some prevalent misinformation.

Ellen Gutoskey
Bborriss/iStock via Getty Images

You might think that urine is just bodily waste—but you would be wrong. It's been used in cleansers, medicine, and infertility treatments for centuries.

Stan Shunpike