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Image: PhOtOnQuAnTiQuE

If you’re preparing for a quiz show and need to brush up on your knowledge of the human brain – or if you just have a love of learning – look no further, because we’ve gathered up a list of some of the best brain facts on the planet. Amongst other things, you’ll learn why babies’ heads are so darned big, why a healthy lunch is good for your body and your brain, why happy thoughts will keep the doctor away and why your lover’s cologne makes your heart skip a beat.


Image: Gaetan Lee

Check out our gallery, and if you’ve got more cool and interesting facts to add, please leave a comment!

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Image: Michael Heilemann

Fast Brain Facts

  • 3 = the weight of your brain in pounds
  • 4 to 6 = the number of minutes your brain can survive without oxygen before it starts to die
  • 8 to 10 = the number of seconds you have before losing consciousness due to blood loss
  • 10 to 23 = the number of watts of power your grain generates when you’re awake (that’s enough to turn on a light bulb!)
  • 20 = the percentages of oxygen and blood flow going to the brain
  • 100,000 = the number of miles of blood vessels in your brain
  • 1,000 to 10,000 = the number of synapses for each neuron in your brain
  • 100 billion = the number of neurons in your brain
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