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Fun Facts

  • There are about 100 billion neurons in the human brain, the same number of stars in our galaxy.
  • Your brain is about 2% of your total body weight but uses 20% of your body's energy.
  • The energy used by the brain is enough to light a 25 watt bulb.
  • More electrical impulses are generated in one day by a single human brain than by all the telephones in the world.
  • The human brain produces 70,000 thoughts on an average day.
  • 89% of people normally write with their right hand, and 11% with their left hand.
  • 80 million students are enrolled in American schools from kindergarten through college.
  • 1.1 million students are home-schooled (2 percent of all school-age students ages 5 to 17).
  • 10.9 million students speak a language other than English at home (nearly 1-in-5 children).  70% of these students speak Spanish at home.
  • There are 7.2 million practicing teachers in the United States.
  • Average annual earnings for workers with:

* Advanced degree - $83,144

* Bachelor's degree - $58,613

* High school diploma - $31,283

* No high school diploma - $21,023

 

Source: U.S. Census Bureau and Brain Rules

 

Brain Twisters

 

* * * BLACK DOT * * *

Stare at the dark dot in the center for 10 seconds...

Now move your head forward and backward.  As your head moves closer to your monitor and then back away from your monitor, the circles will appear to be spinning.

But are they really spinning? Absolutely NOT!

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* * * DICEY * * *

As you look at these dice, try to determine if they are standing up, or laying flat.


It seems as if they are doing both!

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* * * SPHERE SIZE * * *

Does one appear to be larger than the other?

Both of the spheres are the same size!

 

Source: 123 Optical Illusions