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
- Why Smaller Black Holes Can Have Stronger Tidal Forces
Small black holes can have much stronger tidal forces at their event horizons, while supermassive black holes may let you cross the horizon without being torn apart.
Tags: Astronomy
- The 4.2 Kiloyear Event and the Climate Shift That Reshaped the Ancient World
Around 2200 BCE, a major dry period called the 4.2 kiloyear event affected many regions and has been linked to changes in several ancient civilizations.
Tags: Earth
- The Stone Age Covers About 99% of Human History
The Stone Age lasted for millions of years, covering roughly 99% of human history before metalworking became widespread.
Tags: History
- Mantis Shrimp Have One of the Most Complex Visual Systems Known
Mantis shrimp have up to 16 types of photoreceptors, letting them detect ultraviolet light, color, and polarized light in ways humans cannot.
Tags: Medicine
- Nearly Half of the Human Genome Comes From Jumping DNA
About half of human DNA comes from jumping genes, old mobile DNA that copied itself through our genome; most are inactive today.
Tags: Medicine
- Why Mammals Are Naturally Resistant to Many Fungal Infections
Mammals resist many fungal infections partly because their high body temperature blocks many fungi from growing, creating a natural thermal barrier.
Tags: Medicine
- How Oxygen Transformed Earth 2.4 Billion Years Ago
About 2.4 billion years ago, oxygen-making bacteria transformed Earth, killing much anaerobic life and helping trigger methane loss, global cooling, and a huge ice age.
Tags: Earth
- The First Confirmed Planets Beyond Our Solar System Were Found in 1992
We did not confirm planets beyond our solar system until 1992, when two were found orbiting a pulsar; the first around a Sun-like star came in 1995.
Tags: Astronomy
- Bananas Naturally Produce Tiny Amounts of Antimatter
Bananas contain trace potassium-40, whose rare radioactive decay produces a positron, an antimatter particle, about once every 75 minutes.
Tags: Physics
- Why the Moon Can Almost Perfectly Cover the Sun
The Sun is about 400 times wider than the Moon but also about 400 times farther away, making total solar eclipses possible and revealing the Sun's faint outer atmosphere.
Tags: Astronomy
- Fossil Fish Reveal the Season of the Dinosaur-Killing Asteroid Impact
Fossil fish caught in impact-driven water surges suggest the asteroid that ended the dinosaurs struck Earth during Northern Hemisphere spring.
Tags: Earth
- Dolphins Are Whales, Just Not the Giant Kind You Picture
Dolphins are whales too: they belong to the toothed-whale group, which means whale is the broader category and dolphin is a more specific one.
Tags: Medicine