Mou Waho, An island in a lake on an island in a lake on an island, New Zealand

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Ancient trick to calculate ANY square root

An ancient formula is astoundingly accurate. Why didn’t we learn this in school?

0:00 history
2:32 calculations
7:22 sqrt 2
10:19 intuition

Babylonian tablet YBC 7289
https://en.wikipedia.org/wiki/YBC_7289
https://commons.wikimedia.org/wiki/Fi…
https://commons.wikimedia.org/wiki/Fi…
Babylonian numerals
https://en.wikipedia.org/wiki/Babylon…
https://commons.wikimedia.org/wiki/Fi…
Josell7, CC BY-SA 4.0 https://creativecommons.org/licenses/… via Wikimedia Commons
Babylonian Method of Computing the Square Root, Olga Kosheleva
https://www.cs.utep.edu/vladik/2009/o…
A 3D-print of ancient history
https://ipch.yale.edu/news-events/3d-…
tecmath video square root
• Square root of ANY number instantly – shor…
Square Root Approximations in Old Babylonian Mathematics: YBC 7289 in Context, David Fowler, Eleanor Robson
https://www.sciencedirect.com/science…
Math! Science! History! It Didn’t Belong to Pythagoras
• MATH! SCIENCE! HISTORY! It Didn’t Belong t…

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Recent European heatwave caused 2,300 deaths, scientists estimate • FRANCE 24 English

Around 2,300 people died of heat-related causes across 12 European cities during the severe heatwave that ended last week, according to a rapid scientific analysis published on Wednesday. FRANCE 24’s Sharon Gaffney speaks to Ian Duff, Head of Greenpeace International’s Stop Drilling Start Paying campaign, which is advocating – along with the Polluters Pay Pact – for oil, coal and gas corporations to pay their fair share for the damages they cause.
#ClimateChange #Europe #heatwave

Read more about this story in our article: https://f24.my/BItz.y

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Scientists Discover Potential Cancer Cure in Ancient Tomb

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How Dinosaur Extinction Gave Us Fruit

Follow us over to the PBS App or PBS.org to watch Walking with Dinosaurs!
https://to.pbs.org/WalkingWithDinosaurs

One of the most surprising effects of the cascade of changes that played out in the wake of dinosaur extinction may have been the evolution of a world absolutely teeming with fruit. And with all that fruit, came a lot of fruit eaters.

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Eons is a production of Complexly for PBS Digital Studios.

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The Red Lake

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A blue whale passing under a boat

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I made a miniature night light from a real dandelion

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Wonder of Science  |  Colored droplets in corn syrup seemingly blended together can be returned to their original state by reversing the direction of mixing, a form of laminar flow called “Stokes flow”.

Colored droplets in corn syrup seemingly blended together can be returned to their original state by reversing the direction of mixing, a form of laminar flow called "Stokes flow".Credit: UNM Physics & Astronomy

Wonder of Science (@wonderofscience.bsky.social) 2025-07-14T23:54:00.190Z

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Native Arctic peoples explained 

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