All facts — Page 86
The complete ONAURE library, newest first. Every fact has an explanation and a source you can check.
2056 facts
Cotton candy was invented by a dentist.
William Morrison, a dentist, co-invented cotton candy in 1897 with confectioner John Wharton.
Napoleon was attacked (and defeated) by a horde of rabbits.
During an organized hunt, domesticated rabbits were released but instead of fleeing, they attacked Napoleon en masse.
Woolly mammoths survived into the age of the pyramids.
While the pyramids were being built in Egypt, a population of mammoths still lived on Wrangel Island in the Russian…
Beer has twice the bubbles of champagne.
While a champagne glass produces about 1 million bubbles, a half-pint of beer can create up to 2 million, according…
Bats don't get sick from most viruses.
Bats have many genes responsible for antiviral activity, keeping them safe. They can carry and spread viruses without…
About half of the body's cells are bacteria.
The human body has about 39 trillion bacteria and 30 trillion human cells — a ratio of approximately 1:1.3.
A solar flare equals a billion hydrogen bombs.
Solar flares release energy equivalent to a billion hydrogen bombs, according to NASA. Earth's atmosphere protects us…
Liquid helium can climb up the walls of a glass.
When cooled to extreme temperatures, helium becomes a superfluid — it flows without friction and can escape through…
There were about 2.5 billion T. rexes on Earth.
UC Berkeley researchers estimated 2.5 billion T. rex existed over 127,000 generations, based on body size and energy…
Humans have genes from bacteria, fungi, and viruses.
The human genome contains up to 145 genes that jumped from bacteria, fungi, and other organisms through "horizontal…
Rats laugh when they are tickled.
A 2023 German study demonstrated that rats respond positively to tickling and even chase the researcher's hand in a…
There are more microorganisms in a teaspoon of soil than people on Earth.
Millions of species and billions of organisms — bacteria, algae, microscopic insects, earthworms, fungi — represent…
Over 50% of Earth's oxygen is produced by the ocean.
Marine plankton, seaweed and other photosynthetic organisms produce more than half of the world's oxygen, according…
Venus is the only planet that rotates in the opposite direction.
Venus rotates from east to west, unlike most planets.
A teaspoon of a neutron star would weigh 6 billion tons.
Neutron stars are so dense that a small amount of their matter would have an unimaginable weight.
Ants don't sleep.
Queen ants sleep about 9 hours a day, but worker ants don't.