Spanish flu: The deadliest pandemic in history

Reference article: Facts about the Spanish flu.

In 1918, a strain of influenza known as Spanish flu caused a global pandemic, spreading rapidly and killing indiscriminately. Young, old, sick and otherwise-healthy people all became infected, and at least 10% of patients died. Continue reading

It’s Leap Year: Did You Know This About Leap Day?


  • By 1577 the difference between the Julian calendar and the Earth’s position relative to the sun was out of sync by 10 days
  • A more accurate leap year system was commissioned by Pope Gregory XIII to synchronize the Earth’s movements around the sun with the calendar
  • The chance of being born on leap day is 1 in 1,461; those odds were broken by a Norwegian family
  • In addition to an extra day every four years, intermittently an extra second is added to the clock

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Arch across the top of the foot that evolved 3.5 million years ago may be the reason humans can walk and run upright unlike other primates


  • The transverse tarsal arch of the human foot provides almost half its stiffness  
  • It evolved in an ancient human ancestor around 3.5 million years ago 
  • The stiffness allowed hominins to begin walking on two feet opposed to four  
  • Current primates have much flatter feet and can not walk upright like humans   
  • Stiffness from arch across the foot acts as a lever to enable walking and running 

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Complex Sex Life of Goats Could Have Implications for Wildlife Management

A new study of the mating habits of mountain goats reveals the vastly different strategies of males in different populations and could shed light on the unseen impacts of hunting. Continue reading