Obvious But Easily Missed Pieces of Information That Very Few People Realize
6The term ‘fortnight’
No, we’re not talking about the massively popular online battle royale game ‘Fortnite’. We’re talking about the English word ‘fortnight’. It is a unit of time that equals to 2 weeks or 14 days. The word was derived from old English ‘
7The origin of ‘S.O.S’
The term ‘SOS’ has been widely known as a distress signal code for ships out in the ocean to use to signal nearby vessels for help. Over the years many people have believed the S.O.S stands for ‘Save Our Ship’ or ‘Save Our Soul’ but in reality, SOS stands for nothing. But, then why was it created?
The Truth SOS
The reason why these three specific letters were chosen for a distress signal code is that ships even nowadays use Morse code. The letters ‘S’ and ‘O’ are the easiest to remember as ‘S’ is written in three dots ‘…’ and ‘O’ is written with three dashes ‘_ _ _’. It was introduced on April 1st, 1905 and was replaced in 1999 but it is still used.
8Our chest when we breathe in
You may have noticed when you take a deep breath your chest expands, right? Or, do you take a deep breath because your chest expands? How do our chest muscles and lungs work? We have studied in biology class how our lungs work and how we are able to inhale and exhale to stay alive but here’s more.
Truth About Breathing
As the air pressure in our chest cavity changes, it results in what we call breathing in and out. The muscles in our chest and diaphragm work together and change the size of our chest to let air in or let it out. When our chest cavity extends in size, we breathe in and went it contracts, we breathe out.