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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
Seagrass meadows capture carbon 35 times faster than tropical rainforests.
The tongue of a blue whale weighs as much as an elephant and its heart is the size of a small car.
Humpback whales blow bubble nets to corral fish into tight groups before lunging through them with open mouths.
The ocean covers about 71% of the Earth's surface and contains 97% of the planet's water.
A group of dolphins is called a pod, and they can travel in super-pods of up to 1,000 individuals.
The longest-living vertebrate is the Greenland shark, which can live for over 500 years.
Hydrothermal vents on the ocean floor can reach temperatures of 750 degrees Fahrenheit and support unique ecosystems.
The coelacanth, a prehistoric fish thought to have been extinct for 65 million years, was rediscovered alive in 1938.
Underwater waterfalls exist — one near Mauritius creates the illusion of a massive waterfall beneath the ocean surface.
The Portuguese man o' war is not a single organism but a colony of specialized polyps working together.
Coral bleaching occurs when stressed corals expel the algae living in their tissues, causing them to turn white.
The deepest point in the ocean is the Challenger Deep in the Mariana Trench, at about 36,000 feet below sea level.
A single blue whale can eat up to 4 tons of krill per day during feeding season.
The ocean floor has mountain ranges, volcanoes, and trenches that rival any landscape found on land.
The endowment effect causes people to value things more highly simply because they own them.
Gratitude journaling has been shown to improve sleep, reduce symptoms of illness, and increase happiness.
Emotional memories are stored differently in the brain and tend to be more vivid and detailed than neutral memories.
The Pygmalion effect demonstrates that higher expectations lead to higher performance.
Impostor syndrome affects an estimated 70% of people at some point in their lives.
The sunk cost fallacy causes people to continue investing in something because of what they have already spent rather than what they stand to gain.
Social facilitation shows that people perform simple tasks better in front of an audience but complex tasks worse.
The recency effect means you are more likely to remember the last items in a sequence than the ones in the middle.
Choice paralysis occurs when too many options lead to difficulty making any decision at all.
Blue light from screens suppresses melatonin production, which can interfere with sleep quality.
The planning fallacy describes the tendency to underestimate the time needed to complete a task, even when you have done similar tasks before.
Emotional contagion is the tendency to unconsciously mimic the emotions of people around you.
The availability heuristic causes people to overestimate the likelihood of events that are more easily recalled from memory.
People remember events that confirm their existing beliefs more easily than events that contradict them.
Power posing — standing in a confident posture for two minutes — has been shown to increase testosterone and decrease cortisol.
The Baader-Meinhof phenomenon is when you learn about something new and then start noticing it everywhere.
Procrastination is linked to emotional regulation, not laziness — people procrastinate to avoid negative feelings associated with a task.
The mere exposure effect means that people tend to develop a preference for things simply because they are familiar with them.
Telling someone your goals makes you less likely to achieve them because your brain gets a premature sense of accomplishment.
The halo effect causes people to assume that attractive individuals also possess other positive traits like intelligence and kindness.
People tend to attribute others' behavior to personality but their own behavior to circumstances — this is called the fundamental attribution error.
The cocktail party effect is your brain's ability to focus on a single conversation in a noisy room while filtering out background noise.
Decision fatigue is real — the more choices you make in a day, the worse your later decisions become.
People are more likely to agree with a statement if it rhymes — a phenomenon called the rhyme-as-reason effect.
The spacing effect shows that you remember information better when you study it over multiple sessions rather than all at once.
Fortune cookies were not invented in China — they originated in San Francisco.
Rhubarb leaves contain oxalic acid and are poisonous if eaten in large quantities.
Chocolate was once used as currency by the Aztecs.
Canned food was invented in 1810, but the can opener was not invented until 1858.
The Caesar salad was invented in Tijuana, Mexico, not in Rome.
Avocados are toxic to birds, horses, and many small animals.
A strawberry is not actually a berry, but a banana is.
Vanilla is the second most expensive spice after saffron because of how labor-intensive it is to grow and pollinate.
The longest pizza ever made measured over 6,333 feet and was created in California in 2017.
Humans are genetically programmed to like sweet and salty foods because they signal the presence of carbohydrates and essential minerals.
The ghost pepper was once used by the Indian military to make non-lethal chili grenades.