Expire Worthless is when options enter expiration out of the money and expire without any remaining value. Expiring worthless is one of the most common terms used in options trading.
3 ATOM COUNT. It is hard to grasp just how small the atoms that make up your body are until you take a look at the sheer number of them. An adult is made up of around 7,000,000,000,000,000,000,000,000,000 (7 octillion) atoms.
Going back over the last two centuries, the estimates for the number of cells in the human body have been in the trillions. How many trillions? Anywhere between five trillion, and 200 million trillion! An estimate that has a range between 200 million down to just five is perhaps a little too loose to be of any use.