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The best pregnancy test used to be this frog ... no, really - Carly Anne York

AdultsAnimalsNatureScience...
Dig into how African clawed frogs can help detect human pregnancy, and how their use in experiments had unintended consequences.

Why Do Weeping Willows Weep?

AdultsLifeNatureScience
Most trees reach for the sun – but not the weeping willow. Why?

How The Most Useless Branch of Math Could Save Your Life

AdultsEducationMathScience
There is an entire branch of math simply devoted to knots

0:12 / 12:36 The Future of Botany: Crash Course Botany #15

AdultsEnvironmentLifeNature...
We’ve learned a lot about plants throughout this series, but there’s much more to discover. In this episode of Crash Course Botany, we’ll peek into the future of botany.

Do mosquitos actually bite some people more than others?

AdultsAnimalsHistoryNature...
Explore the science of what attracts mosquitos, and find out why mosquitos bite some people more than others.

Yes, this is how we know the Earth is slowing down

AdultsEducationScienceSpace...
Without eclipses, our world would be a lot different because eclipses give us the ability to do science we otherwise wouldn’t be able to.

You're a Dream of the Universe (According to Science)

AdultsEducationScienceSpace...
Absolutely everything you think about yourself and the universe could be an illusion. As far as you know, you are real and exist in a universe that was born 14 billion years ago and that gave rise to galaxies, stars, the Earth, and finally you. Except, maybe not.

What Happens If You Destroy A Black Hole?

AdultsEnvironmentLifeScience...
Black holes can destroy everything – but can they be destroyed? What happens if we push physics to the absolute limits, maybe even break it and the universe in the process?

What Intensifying Turbulence Means For The Future of Travel | WIRED

AdultsPhysicsWeatherTravel...
It's not just you—in-flight turbulence really is getting worse.

How Do We Keep Life's Jenga Tower From Toppling?

AdultsHistoryHumanLife...
Some scientists believe we are in the middle of Earth’s sixth mass extinction: a big, precarious game of Jenga that involves every ecosystem on the planet.

The Figure 8 Knot Has Never Failed. Why?

AdultsConstructionEducationPhysics...
Modern roped rock climbing, one of the nerdiest sports, relies almost entirely on a single type of knot for safety: the figure eight knot.

The Weight of “Nothing” Could Mean Everything (to Physics)

AdultsLifePsychologyScience...
Deep in a Sardinian mine, researchers are constructing an experiment that hopes to solve what's known as The Worst Prediction In The History of Physics, and pin down the true identity of dark energy.

Is Bigger Better?

AdultsAnimalsLifeNature...
Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.

How A Nuclear War Will Start - Minute by Minute

AdultsHumanNatureScience...
This video was made possible through a grant by Open Philanthropy.

What Does IQ Actually Measure?

AdultsEducationSciencePsychology
A huge thank you to Emeritus Professor Cecil R. Reynolds and Dr. Stuart J. Ritchie for their expertise and time.

Titan Implosion Explained with a Soda Can

AdultsEducationMediaScience...
On June 18th, 2023, OceanGate’s Titan submersible imploded near the wreck of the Titanic. Why? This simple experiment that you can do at home demonstrates the terrifying power of the ocean that ultimately ended Titan’s expedition.

Why Can't I Grow More Teeth?

AdultsBiologyEducationHuman...
How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.