TVHON — Edutainment
Watch entertaining videos that teach you something new. Every clip on TVHON drops a surprising fact — fun to watch, easy to remember.
Latest videos
- Earth’s Core Is About 2.5 Years Younger Than Its Surface
Gravity makes time pass slightly slower deep inside Earth, leaving the core about 2.5 years younger than the surface after 4.5 billion years.
Tags: Physics
- Earth Is the Solar System’s Only Known Place With Ordinary Fire
Earth is the only known place in our solar system where ordinary fire occurs, and no known exoplanet has enough oxygen for it.
Tags: Astronomy
- Mercury Is Actually Earth’s Closest Planet on Average
Mercury is Earth’s closest planet on average, and it is also the closest planet to every other planet in the solar system.
Tags: Astronomy
- We Have Never Taken a Full Photo of the Milky Way From Outside
There is no real photo of the entire Milky Way from outside because Earth and our spacecraft are inside the galaxy; full views are built from observations and models.
Tags: Astronomy
- Powered Flight Evolved Independently Four Times
Powered flight evolved independently in insects, bats, birds, and pterosaurs, making flight a striking example of convergent evolution.
Tags: Medicine
- Why There Were No Fully Marine Dinosaurs
No known dinosaur was a fully marine animal; famous ocean reptiles like ichthyosaurs, plesiosaurs and mosasaurs were separate reptile groups, not dinosaurs.
Tags: Medicine
- Why Crows Gather Around Their Dead
When an American crow dies, nearby crows gather and mob around it, using the death as a warning to learn about danger.
Tags: Medicine
- Scientists Grew Slime Mold That Recreated Tokyo Rail Routes
In 2010, scientists grew slime mold around oat flakes laid out like cities near Tokyo, and it formed a network strikingly similar to the Tokyo rail system.
Tags: Medicine
- Crows Can Remember Human Faces for Years
Crows can recognize individual human faces, remember people who stress them for years, and pass warnings about them to other crows.
Tags: Medicine
- Crows Can Learn Tool Use Just by Watching
Crows can learn to make and use tools by watching other crows, and research suggests even seeing a finished tool can help them learn.
Tags: Mind
- How Honeybees Choose a New Home Together
Honeybees choose new homes as a group: scout bees inspect possible sites, advertise them with waggle dances, and the swarm eventually settles on one site. [oai_citation:0‡PubMed Central (PMC)](https://pmc.ncbi.nlm.nih.gov/articles/PMC2689716/?utm_source=chatgpt.com)
Tags: Medicine
- Rice’s Whale Was Recognized as a New Species in 2021
Rice’s whale was recognized as a distinct species in 2021 after genetic and anatomical tests showed Gulf of Mexico whales were different from Bryde’s whales.
Tags: Medicine