15 Lesser-Known Facts That So Many People Are Clueless About

People recently revealed the shocking things they thought everyone knew, and turns out there are a lot more we need to discuss! These common sense things come from our very intelligent BuzzFeed Community readers. Let's get into it!

1."Guitar strings drop in pitch when they are exposed to heat, and rise in pitch when exposed to the cold. Guitars are usually left in the room hours before a performance to adjust to its temperature and moisture or lack thereof!"

2."American presidential elections, leap year, and the summer Olympics all fall on the same year every four years."

3."In elevators, there is a star next to the floor with the main exit."

4."Voice actor Peter Cullen is the voice for both Optimus Prime and Eeyore."

5."None of my coworkers knew that there was a power level setting on the microwave that you could use if you were thawing something out or wanting to heat something more evenly with a lower power setting. Half of them didn’t realize you could enter specific cook times either. They only used the 'plus 30-second' button."

6."People at my community pool do not get out of the water when thunder and lightning are near or right over them. I get out and run home. Almost all of them leave their children right in the water during a thunderstorm. Thank god I was raised in the Northeast."

7."People in parking lots should walk along the sides (as close to the parked cars as possible) and not right in the middle of the thruways as cars are trying to get by."

8."Just because there are fewer bubbles doesn’t mean your water isn’t at boiling point. A hard boil doesn’t mean the water is now hotter. My brother-in-law still doesn’t believe this, no matter how I try to explain it."

9."When you are turning left from a one-lane turn to a two-lane street, DO NOT turn into the far right lane! UGH."

10."We don’t vote for the president. We vote for the ELECTORS who vote for the president."

11."The only food that never expires is honey."

12."Did you know that elevators have been designed with blind people in mind? They will ding once for an up elevator and twice for one going down."

13."Put over-the-counter cortisone cream on a mosquito bite. Everyone and their mother talk about the elaborate shit they do to get mosquito bites to stop itching. Just buy some generic Cortaid."

14."If you're going to the beach, remember the tides are most dramatic at the full moon and new moon. These are called 'spring tides,' and you get the highest highs and lowest lows. The smallest tides are during the first and third quarter phases. These are called 'neap tides.'"

15."Mommy kissing Santa Claus means she’s kissing the dad dressed as Santa, NOT the real Santa."

Do you have any additional facts to share? Let us know in the comments!