The Most Mysterious Unsolved Disappearances of All Time

Unidentified Caller

Scott had received a number of phone calls at work in the weeks prior to her disappearance. She revealed to a coworker that the unidentified caller watched her every move, describing the details of her life in such a specific way that she had deduced the calls were not a prank. Even after Scott vanished, the caller continued every Wednesday for four years.

The More You Know

You can hear a blue whale's heartbeat from more than 2 miles away.
The toilet is statistically the cleanest place in your home. Your desk, kitchen sink, and cellphone all have more bacteria.
When Boris Yeltsin met President Clinton in 1995, his first question was "Do you think O.J. did it?"
Tic Tac mints are named after the sound their container makes.

Post originally appeared on Upbeat News.