ScienceEnglish Red can hide in plain sight?
Deep-sea red animals can look dark because water absorbs red light before blue. A submarine robot’s white light reveals their colors.
Video language: English
A small fact. A bigger world.
The world is
weirder
than you think.
Extraordinary facts. Carefully researched. Brought to life through visual stories that make you see things differently.
01 / From the lab
Small stories. Big perspective.
Real discoveries, ready to watch. Start in your language, then explore a little further.
ScienceEnglish 
ScienceEnglish Popcorn is a solid starch foam
A kernel retains water. Heat turns some into vapor, building pressure inside the tough hull. When it breaks, the hot, softened starch expands. Cooling and drying help it set into a porous foam.
Video language: English
Reference sources
ScienceEnglish Why does metal feel colder than wood?
Metal and wood can start at the same temperature yet feel different. When both are cooler than your skin, metal draws heat from it faster. Temperature and the rate of heat transfer are different things.
Video language: English
Reference sources
BiologyEnglish How do 2 meters of DNA fit inside a nucleus?
A typical diploid, nucleated human cell holds roughly 2 m of nuclear DNA across its chromosomes in a nucleus a few micrometers wide. This illustration shows histones, nucleosomes and dynamic chromatin—not one continuous molecule or a universal 30 nm fiber.
Video language: English
ScienceEnglish Half a sheet, almost the same shape
ISO A-series paper uses a 1:√2 aspect ratio. Halving the long side and rotating a half preserves the ideal proportions; real paper sizes are rounded to whole millimeters.
Video language: English
Reference sources
NatureEnglish A beetle’s hot defensive spray
Bombardier beetles produce a defensive spray through chemical reactions in abdominal chambers. In Brachinus, measurements put the pulsed discharge near 100 °C; the whole beetle does not reach that temperature.
Video language: English
Reference sources
NatureEnglish A cloud with 500 metric tons of water
A 1 km³ cumulus cloud with 0.5 grams of liquid water per cubic meter holds about 500,000 kilograms of droplets. This is an estimate for those conditions, not every cloud.
Video language: English
Reference sources
NatureEnglish An octopus can taste by touch
Chemical sensors in an octopus’s arm suckers detect certain substances on contact. This helps it explore surfaces while searching for food.
Video language: English
Reference sources
NatureEnglish Why wombats produce cubes
Wombats produce cube-shaped feces. Regions of differing stiffness in the intestine shape the drying material, so the cubes form inside the body.
Video language: English
Reference sources
HistoryEnglish A self-portrait from 1839
Robert Cornelius made the earliest surviving American portrait photograph in 1839. His self-portrait required holding still for roughly 10 to 15 minutes before a homemade camera.
Video language: English
Reference sources
HistoryEspañol The Statue of Liberty wasn’t always green
The statue’s copper exterior was brown when completed in 1886. Chemical reactions gradually formed its green patina over roughly 30 years.
Video language: Español
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HistoryEnglish A calendar coincidence in 2026
In 2026, the US federal holiday Columbus Day falls on October 12, the date of Columbus’s 1492 landfall in the already inhabited Bahamas. The holiday follows the second Monday of October.
Video language: English
Reference sources
SpaceEnglish A teaspoon as massive as a mountain
NASA compares a teaspoon of neutron-star matter with Mount Everest’s mass. It is an illustration of extraordinary density, not a sample we could scoop out and keep on Earth.
Video language: English
Reference sources
NatureEnglish Tiny survivors in space
In a 12-day orbital experiment in 2007, some dehydrated tardigrades survived exposure to space. Survival depended on the exposure conditions; this does not mean they can live there indefinitely.
Video language: English
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NatureEnglish A frog that survives freezing
Wood frogs can survive winter with part of their body water frozen and no detectable heartbeat or breathing. Protective chemistry helps them resume activity after thawing.
Video language: English
Reference sources
ScienceEnglish The kilo depended on a single object
For more than a century, the definition of the kilogram depended on a physical object kept near Paris.
Video language: English
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ScienceEnglish Hotter than the Sun’s surface
Lightning can heat the surrounding air beyond the temperature of the Sun’s surface.
Video language: English
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SpaceEnglish Less dense than water
Saturn’s average density is lower than water’s. The comparison uses the average density of the entire planet.
Video language: English
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NatureEnglish The largest tree isn’t the tallest
General Sherman is the largest known living single-stem tree by trunk volume. That does not make it the tallest, widest or oldest tree.
Video language: English
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NatureEnglish Almost 11 kilometers below the surface
Challenger Deep in the Mariana Trench reaches roughly 10,935 meters below sea level, according to NOAA’s estimate. Depth measurements vary.
Video language: English
Reference sources
NatureEnglish Two heartbeats a minute
In one monitored blue whale, heart rate fell to about two beats per minute during dives and reached 37 after surfacing. These are observations from one animal.
Video language: English
Reference sources
SpaceEnglish A day longer than a year
Mercury’s mean solar day lasts about 176 Earth days, roughly twice its 88-day year. This is the average noon-to-noon interval, not its rotation period.
Video language: English
Reference sources
02 / Follow a question
Where will curiosity take you?
From distant worlds to the remarkable things right under our feet. Pick a subject and explore its stories.
Biology
Inside cells and the living world.
Space
A fresh perspective on our planetary neighbors.
Science
Everyday assumptions, extraordinary explanations.
Technology
The natural forces behind a connected world.
Nature
Deep oceans. Giant trees. A world of surprises.
History
The objects and ideas that shaped what we know.
Now playing / YouTube
Your next
rabbit hole.
Fun Fact episodes are already on YouTube. Explore published stories, follow their sources, and find more reasons to stay curious.
Find your YouTube channelPublished episodes in English, Portuguese & Spanish.03 / Lab notes
Fresh from the lab.
New ideas, new stories, and what we’re working on.
A new home for your curiosity.
Welcome to Fun Fact Lab. Explore our published stories, follow the sources, and find our verified channels — now in English, Portuguese and Spanish.
More curiosity. A new YouTube series.
Fun Fact episodes are now published on our English, Portuguese and Spanish YouTube channels. Explore the catalog and follow the channel in your language.
04 / Keep exploring
Curiosity doesn’t stop here.
Find Fun Fact Lab in your language. These are our verified channels.
A little discovery in your everyday scroll.
@funfact.enYouTube
Visual stories for your next deep dive.
FunFact Lab ENWe’ll add other platforms after their profiles are verified.
Meet the lab
Wonder is just the beginning.
We turn surprising, carefully researched facts into visual stories and animations that make the world easier to understand. Because a good fact doesn’t just surprise you. It changes how you see.
The idea behind the lab