Hive Mind
One day, Martina woke up covered head to toe in hives. It wasn’t long until her throat closed up too. She was rushed to the hospital and went into anaphylactic shock. She was terrified…
This Teen Developed an Allergy to Everything Overnight
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The More You Know
- Great white sharks are so scared of killer whales that they'll avoid an area for up to a year after spotting one.
- The wolf's jaw can exert 1500 pounds of pressure per square inch, twice the jaw pressure of a German Shepherd. Wolves can crush large bones in just a few bites.
- The stars and flashes of light you see when you rub your eyes are called "phosphenes."
- The idea that a man should spend two months salary on an engagement ring was popularized by De Beers' ad agency.
Post originally appeared on Upbeat News.