Before we go, here’s your random trivia of the day:
Why we yawn has long been a mystery. A leading theory is that it is a result of boredom or sleepiness, due to our body taking in less oxygen during these times. But here’s another theory: In 2011, a postdoctoral research study at Princeton University theorized that yawning may be biological air conditioning. Essentially, a yawn may help regulate brain temperature.
Thanks for reading!
If you’d like to comment on anything in today’s newsletter, respond to this email. We welcome your input.
If you want to support this newsletter, please forward it to a friend. If this email has been forwarded to you, and you wish to subscribe, click “More Newsletters” below and sign up.
Have a good day, Chattanooga!