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Facts that sound false but are true — Page 2

Our highest surprise rating: the facts people most often refuse to believe until they read the explanation. Every one of them is documented.

627 facts

Science

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…

Science

Diamonds can be created from peanut butter.

Scientists converted carbon from peanut butter into microscopic diamonds under extreme pressure.

Animals

Bees can count up to 4.

Studies have shown bees can distinguish small quantities and understand the concept of zero.

Space

All other planets of the solar system fit in the space between Earth and Moon.

The average Earth-Moon distance is 384,400 km. Adding all planet diameters, the total is about 380,000 km.

Space

95% of the universe is dark matter and energy.

Everything we know and see constitutes only 5% of the universe; the rest is invisible and remains a mystery.

History

The 'SOS' signal does not mean 'Save Our Souls'.

It was chosen only for its simplicity in Morse code (three dots, three dashes, three dots), making its transmission…

Technology

Wi-Fi uses the same frequency as a microwave.

The 2.4 GHz frequency of routers is standard for wireless communications, being the same used by ovens to excite…

Food

Cheese is the most stolen food in the world.

Retail statistics indicate that cheese leads the list of stolen products, due to its high resale value and ease of…

Food

The tomato is legally a vegetable in the US.

In 1893, the US Supreme Court decided that, for customs import tax purposes, the tomato would be classified as a…

Animals

Starfish have no brain and no blood.

Instead of blood, they use filtered seawater to pump nutrients and oxygen through their bodies via a complex water…

Animals

Lobsters taste with their legs and chew with their stomachs.

They have tiny sensory hairs on their legs to taste the water. They also have 'gastric mills' in their stomachs to…

Animals

Sharks can detect a single drop of blood in an Olympic-sized pool.

They possess an incredible sense of smell, capable of detecting minute traces of blood and other chemicals in the…

Space

If you fell into a black hole, you would experience 'spaghettification'.

The gravity of a black hole is so intense that the pull on your feet would be much stronger than on your head…

History

The Eiffel Tower was originally offered to Barcelona.

Before building it in Paris, Gustave Eiffel proposed a similar monumental tower for the 1888 Barcelona Universal…

Food

The world's most expensive pizza costs $12,000 and takes 72 hours to make.

Created in Italy, the 'Louis XIII' pizza includes rare ingredients like three types of caviar, lobster, and edible…

Geography

Mexico City is sinking every year.

Built on the dry bed of Lake Texcoco, Mexico City is sinking between 10 and 15 centimeters per year as the ground…

Animals

Naked mole-rats are almost completely immune to cancer and can live up to 30 years.

They have a unique cellular mechanism (high-molecular-mass hyaluronan) that prevents tumors from forming, making them…

History

The first person to survive going over Niagara Falls in a barrel was a 63-year-old woman.

In 1901, Annie Edson Taylor, a schoolteacher looking for financial security, famously took the plunge and survived…

Geography

The longest mountain range on Earth is almost entirely underwater.

The mid-ocean ridge is a continuous submarine mountain system that stretches about 65,000 kilometers across the…

Animals

Hippopotamuses secrete a red, oily liquid that acts as a natural sunscreen.

Often mistakenly called 'blood sweat', this substance protects their sensitive skin from the harsh African sun and…

Food

The oldest known recipe in the world is for beer.

Dating back over 3,900 years to ancient Sumeria, the recipe was written on a clay tablet as a poem honoring Ninkasi…

History

The city of Venice is built on millions of wooden stakes.

Venice sits on millions of oak and larch wooden stakes buried in mud. The lack of oxygen in the mud prevents the wood…

Animals

Chameleons change color primarily to communicate and regulate temperature, not just to camouflage.

Their skin contains nanocrystals that reflect light. By adjusting the spacing between these crystals, they change…

Space

Mercury has water ice at its poles despite being closest to the Sun.

Deep craters at the poles are permanently shadowed from the Sun's rays, keeping temperatures low enough for ancient…

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