Knowledge Bombs 423
In 1783, a boy was born with two heads. The second head was upside down, with the neck pointed straight up. Shockingly, the second head was fully functional. The boy claimed he could hear the other brain telling him things.
Paul McCartney mentioned in a 2013 interview that he added a frequency (15 kHz) that only dogs can hear at the end of the Beatles’ song ‘A Day in the Life’ on the Sgt Pepper’s Lonely Hearts Club album. Have your dog have a listen!
The heart is the strongest muscle in the body. It pumps an average of 2,000 gallons of blood per day. In an 70-year lifetime, an average human heart beats more than 2.5 billion times.
Video Marketing 111