One Mistake Means Certain Death: These Fearless Athletes All Have One Thing in Common, and It Might Not Be What You Think

Clinically Fearless

Alex Honnold underwent a brain scan before shooting his documentary; Free Solo. The doctors that were conducting the scan found something incredibly shocking. Alex Honnold’s amygdalas did not work when prompted, meaning that he physically cannot feel fear, anger, survival instincts, or the fight or flight response like the average person.


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The More You Know

  • The glow around the moon is called a "broch."
  • The Japanese created a smoke alarm for those who can't hear, which pumps super-spicy wasabi mist into the air to alert them.
  • Researchers have found that swearing when in pain may release pain-killing endorphins.
  • The longest tennis rally lasted over 12 hours.
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