All facts — Page 11
The complete ONAURE library, newest first. Every fact has an explanation and a source you can check.
1196 facts
The pressure at the bottom of the Mariana Trench is one thousand times greater than at the surface.
At a depth of about eleven thousand meters, the pressure reaches over one thousand atmospheres, equivalent to having…
There is snow at the Earth's equator.
The Cayambe volcano, in Ecuador, has perpetual snow at its summit despite being exactly on the equator line.
Io, a moon of Jupiter, is the most volcanically active body in the solar system.
With over four hundred active volcanoes, its eruptions can eject material hundreds of kilometers high.
A quarter of the human body's bones are in the feet.
Each foot contains twenty-six bones, meaning both feet together account for about twenty-five percent of the entire…
The Great Wall of China is not a continuous structure.
It is actually a network of walls, trenches, and natural barriers built over several centuries by different…
Liquid helium can climb up the walls of its container.
At temperatures near absolute zero, helium becomes a superfluid, losing all viscosity and managing to escape from…
Albert Einstein was offered the presidency of Israel.
In 1952, the Israeli government invited the physicist to assume the country's presidency, but he politely declined…
The Sun loses millions of tons of mass every second.
Through nuclear fusion and solar wind, our star constantly converts and ejects matter into space, although this loss…
The first person killed by a robot was in 1979.
Robert Williams, a Ford factory worker, was struck by a one-ton robotic arm in a Michigan plant, becoming the first…
The Apollo 11 computer was less powerful than a modern calculator.
The AGC had only a few kilobytes of memory and a tiny processing speed, but it was enough to take humans to the Moon…
The first photograph in history took eight hours to take.
In 1826, Joseph Nicéphore Niépce used a camera obscura and a pewter plate coated with bitumen, requiring a prolonged…
Peanuts are one of the ingredients used in the manufacture of dynamite.
Peanut oil can be processed to produce glycerol, which in turn is converted into nitroglycerin, the explosive…
There is a lake in Canada that forms polka dot patterns in the summer.
Spotted Lake loses water through evaporation and leaves behind mineral deposits of sulphates and calcium that create…
About ninety percent of the world's currency exists only in digital format.
The vast majority of bank transactions and reserves are made electronically, with physical cash being a tiny fraction…
Caterpillars have about four thousand muscles in their bodies.
While humans have only about six hundred and fifty muscles, caterpillars possess thousands of micro-muscles that…
Raspberries belong to the rose family.
Like apples, pears, and strawberries, raspberries are part of the Rosaceae family, sharing botanical and structural…
The water level of the Dead Sea drops by more than one metre per year.
Extreme evaporation and the diversion of water from the Jordan River for agriculture and human consumption have…
Harvard University was founded before calculus was invented.
Harvard opened its doors in sixteen thirty-six, while the principles of mathematical calculus were only formalised by…
Cleopatra was not ethnically Egyptian, but of Greek origin.
She belonged to the Ptolemaic dynasty, a family of Macedonian origin that ruled Egypt after the death of Alexander…
Queen Victoria survived at least seven assassination attempts.
During her long reign, several individuals tried to attack her with firearms or knives, but failed due to poor aim…
Rainwater contains small amounts of vitamin B12.
Bacteria present in the atmosphere and soil produce this vitamin, which is then swept into clouds and falls with…
A lightning bolt can strike the same tree multiple times.
Tall, isolated trees act as natural lightning rods. Oak and pine trees, due to their height and water content, are…
Blue eyes do not contain blue pigment.
The colour results from the Tyndall Effect, the same scattering of light that makes the sky blue. The lack of melanin…
On Pluto, it snows methane on the highest mountains.
The dwarf planet's thin atmosphere contains methane that freezes and falls as snow in elevated regions, creating a…


