Colombian Girl Born with Rare Medical Condition Finds Something Growing Inside of Her

Parasitic Twin

In the case Itzmara’s “fetus within fetus,” the twin wasn’t a teratoma, but a heteropagus—a parasitic twin. The congenital anomaly can sometimes go undetected for years…

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The More You Know

  • War pigs were used in ancient warfare to counter against war elephants, which feared the pigs (and their squeals) and would bolt. War pigs were sometimes lit on fire to enhance this effect.
  • The "Like" button on Facebook was supposed to be the "Awesome" button.
  • The average person walks the equivalent of five times around the world in their lifetime.
  • The idea that a man should spend two months salary on an engagement ring was popularized by De Beers' ad agency.
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