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
- Adenosine Can Briefly Stop the Heart to Reset Certain Fast Rhythms
Adenosine can briefly block the hearts electrical signal, creating a momentary pause that can stop some dangerously fast heart rhythms and let a normal rhythm return.
Tags: Medicine
- Before Airplanes, Paper Planes Had Other Names
Before powered flight, folded paper gliders were known by names like paper darts, paper gliders, and paper kites.
Tags: History
- 4,000-Year-Old Egyptian Letters Reveal Everyday Family Life
Letters sealed in an ancient Egyptian tomb for nearly 4,000 years offer a rare glimpse into the everyday life of a family.
Tags: History
- Moth and Butterfly Chromosomes Have Stayed Remarkably Stable for 250 Million Years
Butterflies and moths trace much of their chromosome structure to 32 ancient DNA blocks from over 250 million years ago, despite huge diversity today.
Tags: Medicine
- Moonquakes Can Shake the Moon for More Than 10 Minutes
The Moon has moonquakes that can last more than 10 minutes, caused by tidal forces, cooling and shrinking rock, impacts, and temperature changes.
Tags: Astronomy
- The Ancient Lock Design Still Inside Your Door Key
The pin tumbler lock in countless modern door keys traces back about 4,000 years to wooden Egyptian locks and was refined into practical metal locks in the 19th century.
Tags: General
- Why So Many of the World’s Hottest Peppers Belong to One Species
Habaneros, Scotch bonnets, ghost peppers, Carolina Reapers and Pepper X all belong to Capsicum chinense, a species mistakenly named as if it came from China.
Tags: Medicine
- Humans Are the Most Numerous Mammals, With Rats Close Behind
Humans are the most numerous mammals at about 8 billion, followed by rats at about 7 billion; sheep, cows, goats, dogs, pigs and cats also number in the hundreds of millions or more.
Tags: Medicine
- New Caledonian Crows Craft Their Own Specialized Tools
New Caledonian crows craft hooked twigs and barbed leaf tools, reuse them later, and show different tool traditions in different places.
Tags: Medicine
- Australia Has a Coal Fire Burning Underground for About 6,000 Years
Australia’s Burning Mountain is a coal seam fire smoldering about 30 metres underground for roughly 6,000 years, slowly moving through the coal.
Tags: Earth
- The Bermuda Triangle Is No More Dangerous Than Other Busy Ocean Routes
The Bermuda Triangle does not have significantly more crashes or disappearances than other busy parts of the ocean.
Tags: Earth
- How Estrogen and Testosterone Can Change the Way Your Body Handles Heat
Estrogen and testosterone can affect how the body handles heat, with men often starting to sweat at a lower temperature during exercise.
Tags: Medicine