Browse
All Facts
11,491 facts. Click any fact to see its full page.
All 11,491
📜 History 1,991
🔬 Science 1,964
🐾 Animals 1,525
🚀 Space 977
🧠 Psychology 893
🌿 Nature 759
💻 Technology 735
🌍 Geography 599
🎭 Culture 581
🫀 Human Body 572
🌊 Ocean 373
💬 Language 245
🍕 Food 199
✨ General 68
✨ Dinosaur 10
The acid in your stomach is strong enough to dissolve metal, but a protective mucus lining prevents it from digesting itself.
Humans share approximately 60% of their DNA with bananas.
Your brain uses about 20% of your total oxygen and calorie intake despite being only 2% of your body weight.
The surface area of the human lungs is roughly the size of a tennis court.
You produce about one to two liters of saliva every day.
The human skeleton is completely replaced roughly every 10 years through a process called bone remodeling.
Your nose can detect over one trillion different scents.
A chameleon's tongue can extend to roughly twice its body length and strikes prey in as little as 0.07 seconds.
Goats have rectangular pupils that give them a nearly 340-degree field of vision.
Cats have over 20 different vocalizations, including the purr, which can promote healing in bones and tissues.
The longest recorded lifespan of a tortoise was over 190 years.
Ants can carry objects 10 to 50 times their own body weight.
Wombat droppings are cube-shaped, which prevents them from rolling away and helps mark territory.
The electric eel can produce a shock of up to 860 volts, enough to stun a horse.
Parrots can learn to use words in context and understand concepts like shape, color, and number.
A grizzly bear's bite is strong enough to crush a bowling ball.
Tardigrades can survive the vacuum of space, extreme radiation, and temperatures ranging from near absolute zero to over 300 degrees Fahrenheit.
Lyrebirds can mimic almost any sound they hear, including chainsaws, camera shutters, and car alarms.
Seahorses are one of the few species where the male carries and gives birth to the young.
A cockroach can live for a week without its head before dying of dehydration.
Elephants mourn their dead and have been observed holding vigils over fallen members of their herd.
The mantis shrimp has 16 types of color receptors — humans have only three.
A single colony of ants can contain millions of individuals and cover an area larger than a football field.
Axolotls can regenerate their limbs, heart, spinal cord, and even parts of their brain.
Honey badgers can withstand venomous snake bites that would kill most other animals.
The mimic octopus can impersonate over 15 different species, including sea snakes, lionfish, and flatfish.
Crows can recognize and remember individual human faces for years.
A cheetah can accelerate from 0 to 60 mph in just 3 seconds.
Houseflies hum in the key of F.
Pistol shrimp can snap their claws so fast they create a bubble that reaches temperatures close to the surface of the Sun.
A woodpecker's tongue wraps around the back of its skull to cushion its brain during pecking.
Dolphins sleep with one eye open and half their brain awake to watch for predators.
The heart of a blue whale is so large that a small child could swim through its arteries.
A snail can sleep for up to three years at a time.
Cows have best friends and become stressed when they are separated from them.
The Hubble Space Telescope can see objects that are 13.4 billion light-years away.
On Venus, it rains sulfuric acid that evaporates before reaching the surface.
The largest known structure in the universe is the Hercules-Corona Borealis Great Wall, a supercluster of galaxies spanning 10 billion light-years.
Enceladus, a moon of Saturn, has geysers that shoot water vapor and ice into space.
The observable universe has a diameter of about 93 billion light-years.
There are rogue planets floating through space that are not bound to any star.
The coldest known place in the universe is the Boomerang Nebula, with temperatures reaching minus 458 degrees Fahrenheit.
A year on Mercury is just 88 Earth days long.
The Milky Way galaxy is on a collision course with the Andromeda galaxy and they will merge in about 4.5 billion years.
There are more possible iterations of a game of chess than there are atoms in the observable universe.
The Sun's core temperature is approximately 27 million degrees Fahrenheit.
If two pieces of the same type of metal touch in space, they will permanently bond together due to cold welding.
Neutron stars can spin up to 716 times per second.
The International Space Station travels at about 17,500 miles per hour, orbiting Earth roughly every 90 minutes.
Astronauts grow up to 2 inches taller in space because the lack of gravity allows the spine to decompress.