All facts — Page 22

The human eye blinks about fifteen to twenty times per minute.

This involuntary movement is essential to spread tears across the cornea, keeping the eye lubricated, clean, and…

The human brain generates enough electricity to light a small bulb.

Neurons communicate through electrical impulses and, with billions of active cells simultaneously, the brain produces…

Pineapple contains an enzyme that digests proteins, meaning it eats you back.

Bromelain breaks down proteins in the mouth and stomach, causing that slight tingling or burning sensation when…

Saffron is more expensive by weight than gold.

Tens of thousands of saffron flowers, harvested by hand, are needed to produce just a few grams of the spice, making…

Carrots were originally purple or yellow.

The orange variety we know today was cultivated by Dutch farmers in the seventeenth century, possibly as a tribute to…

Nutmeg is extremely toxic to dogs and can cause fatal seizures.

The myristicin and elemicin present in the spice severely affect the central nervous system of canines, potentially…

Honey is highly acidic, which prevents bacteria from growing.

Its pH ranges between three and four and a half, creating a hostile environment for microorganisms, which adds to its…

The Diomede Islands are four kilometres apart but have a twenty-one hour time difference.

The International Date Line passes exactly between them, making the Russian island almost a full day ahead of the…

Lesotho is the only independent state located entirely above one thousand metres in elevation.

This landlocked country in South Africa has its lowest point at one thousand four hundred metres, giving it the title…

Russia spans eleven different time zones.

Due to its enormous territorial extension from east to west, the country covers almost half the globe, requiring the…

Nintendo was founded in the same year the Eiffel Tower was completed.

The Japanese company opened its doors in eighteen eighty-nine as a manufacturer of traditional playing cards, long…

The first mechanical alarm clock could only ring at 4 AM.

Invented in Ancient Greece and later improved, the primitive mechanism did not allow adjusting the alarm time…

Ketchup was originally sold in pharmacies as medicine.

In the eighteen thirties, it was marketed as a cure for indigestion and other stomach ailments, long before becoming…

Napoleon Bonaparte was actually taller than the average Frenchman of his era.

The confusion arises because the French measurement of the time was different from the English one, and British…

The Great Emu War was a real military operation in Australia.

In nineteen thirty-two, the Australian army sent soldiers armed with machine guns to control the emu population that…

Fungi are more closely related to animals than to plants.

DNA analysis shows that fungi share a more recent common ancestor with animals, breathing oxygen and releasing carbon…

A single summer cloud can weigh over half a million kilograms.

Despite appearing light and fluffy, an average cumulus cloud contains enough water to weigh about five hundred…

Sand from the Sahara Desert fertilises the Amazon Rainforest.

Every year, strong winds carry millions of tons of phosphorus-rich dust across the Atlantic Ocean, depositing…

The largest living organism in the world is a fungus in Oregon.

The Armillaria ostoyae covers almost ten square kilometres of underground forest and is thousands of years old…

Water is the only natural substance found in all three physical states on Earth.

Due to the normal temperatures of our planet, water can be found naturally as solid ice, liquid in the oceans, and…

Sunlight takes about eight minutes to reach the Earth.

Travelling at the speed of light, photons cover the one hundred and fifty million kilometres separating the Sun from…

The human body contains enough carbon to make nine thousand pencils.

Carbon is one of the most abundant elements in our organism and, if extracted and processed, the amount present in an…

There is a planet covered in graphite and diamond.

The exoplanet 55 Cancri e is extremely hot and carbon-rich, which led scientists to conclude that a large part of its…

Venus is hotter than Mercury, even though it is further from the Sun.

The dense atmosphere of Venus is composed mostly of carbon dioxide, creating an extreme greenhouse effect that traps…