All facts — Page 10
The complete ONAURE library, newest first. Every fact has an explanation and a source you can check.
1196 facts
The eruption of the Krakatoa volcano in eighteen eighty-three produced the loudest sound ever recorded.
The explosion was heard nearly five thousand kilometers away and the shockwave circled the globe multiple times. It…
There is enough gold in the Earth's core to coat the surface of the planet.
Heavy and siderophile elements sank to the center during Earth's formation. It is estimated there is enough gold down…
Nintendo was founded when the Ottoman Empire still existed.
Nintendo was founded in eighteen eighty-nine as a playing card company. The Ottoman Empire was only officially…
Sloths can hold their breath for up to forty minutes.
By slowing their heart rate, they can retain oxygen much longer than dolphins, which typically need air every ten…
Australia is wider than the diameter of the Moon.
The distance from east to west in Australia is almost four thousand kilometers, while the lunar diameter is only…
The password for US nuclear silos was eight zeros for twenty years.
To ensure rapid launch, the code for all bases was set to 00000000 from 1962 until the mid-eighties, against the…
A group of pugs is called a grumble.
The origin of the term dates back to the nineteenth century, reflecting the characteristic and constant sound these…
In Longyearbyen, the sun does not set for over four months.
Located in the Svalbard archipelago, the town experiences the midnight sun from April to August due to its extreme…
Tooth enamel does not regenerate if damaged.
Unlike other tissues, dental enamel contains no living cells, so the body cannot repair it after it forms during…
The oldest known writing comes from Mesopotamia and is five thousand years old.
The Sumerians developed cuneiform writing around 3400 BC to record commercial transactions and administer cities.
Octopuses have three hearts and blue blood.
Two hearts pump blood to the gills and one to the rest of the body, while hemocyanin with copper gives the blood its…
The internet was originally created for military purposes.
ARPANET, the precursor to the internet, was developed by the US Department of Defense in the sixties to create a…
A chameleon's tongue can accelerate faster than a sports car.
The tongue reaches speeds of up to ninety kilometers per hour in less than one second, thanks to specialized muscles…
We know the surface of Mars better than the ocean floor.
Only about twenty percent of the ocean floor has been mapped in detail, while the entire surface of Mars has been…
The British Empire was the largest empire in history.
At its peak in 1920, it controlled about a quarter of the Earth's surface and world population.
The Amazon is not the true lung of the planet.
Although it produces a lot of oxygen, the forest also consumes it, and marine phytoplankton is responsible for most…
Ants represent about twenty percent of terrestrial animal biomass.
It is estimated that there are ten quadrillion ants on the planet, collectively weighing as much as all humans…
Popcorn has existed for over five thousand years.
Indigenous peoples of Mexico were already cultivating and popping corn long before Europeans arrived, using it in…
The Dead Sea is ten times saltier than the ocean.
With a salinity of about thirty-four percent, it is nearly impossible to sink in its extremely dense waters.
The banana plant is not a tree, but a giant herb.
What appears to be a trunk is actually a pseudostem formed by leaf bases, and the plant belongs to the herb family.
Light takes eight minutes to reach Earth from the Sun.
Traveling at about three hundred thousand kilometers per second, light covers the one hundred and fifty million…
GPS depends on atomic clocks in satellites.
The precision of the global positioning system requires nanosecond synchronization, impossible without extremely…
Flamingos are born with grey or white feathers.
The characteristic pink color comes from carotenoids present in the algae and crustaceans they eat, without which the…
Human skin completely regenerates every month.
The human body produces about three hundred and forty thousand new skin cells every minute, completely replacing the…
