The Worst Epidemics Throughout History

Still Going On

Though it's become less documented in recent years, the fight against Ebola is still going on. There is no known cure or vaccine for the disease, but scientists recently learned that the disease likely originated in bats. Symptoms for Ebola start with a light fever, headache, muscle pain, and chills but can progress to internal bleeding and coughing up blood or vomit. 

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The More You Know

  • Tree seeds were taken into orbit and planted as "Moon Trees."
  • The longest tennis rally lasted over 12 hours.
  • Hippos produce their own sunblock.
  • 27,000 tress are cut down every day to become toilet paper.
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