Over 70 million people worldwide have a problem with stuttering. One famous person who stuttered was Marilyn Monroe.
The first time the flu was described by Hippocrates in 412 BC. Influenza can last up to 17 days on banknotes.
More than 30% of the population had contact with mycobacteria tuberculosis. In 1921, the first anti-tuberculosis vaccine was used in humans.
In newborns, the REM phase lasts as much as 80% of sleep time. People who are blind from birth also move their eyeballs while they sleep.
The preparation of the experiment was supervised by outstanding physicists: Albert Einstein, John von Neumann and Nikola Tesla. The USS Eldridge was shipped to Greece in 1951. In the 90s it was sold for scrap.
The central point of the Milky Way is 28,800 light years from the Sun. The sun reaches the center of the Milky Way during 200 – 250 million Earth years. This is called galactic year.
Before a raindrop hits the ground, it spends an average of 8 days in the air. Large rain drops can accelerate to over 30 km/h. Between 1860 and 1861 in Meghalaya, India, 26,470 mm of rain fell during the year.
Graphene is the lightest and strongest material on Earth. Graphene is even stiffer than diamond. Graphene absorbs only 2.3% of the light reaching it.
A tsunami wave can be 150-250 km long. In 1755, a tsunami wave devastated Lisbon, killing 90,000 people. The tsunami wave created at a great depth of the ocean in the initial phase can travel at speeds of up to 900 km/h.
The largest clouds can be over 18 km thick. Clouds can travel at speeds over 150 km/h. There are different kinds of clouds on every planet in the solar system.
Until 1969, bouncers used leather gloves mainly to protect against the cold. North Korea has the largest stadium in the world today – Rungrado May Day, which can seat 150,000 spectators.
Only 6 jumpers have a personal record of over 18 meters. Christian Taylor crossed the 18-meter barrier the most times, 4 times – 18.11 (2017), 18.06 (2015), 18.04 (2015), 18.02 (2015).