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Why Do Heart Attacks Cause *Arm* Pain?

AdultsHealthHumanScience
When the brain receives pain from an internal organ, it often projects the pain in the wrong place because of the way sensory nerve paths converge.

How to deal with rejection

AdultsHumanPsychologyScience...
Dig into the psychology of why rejection causes us pain, and explore strategies to cope with this common experience.

The Science Behind James Cameron’s Avatar

AdultsCreativityMediaTechnology...
James Cameron is diving into the deep: this time, into the oceans of an alien world. The director shares how Earth's oceans inspired The Way of Water—and his hope it will motivate viewers to protect our own planet.

How To Terraform Mars - WITH LASERS

AdultsDesignScienceSpace...
Mars is a disappointing hellhole lacking practically everything we need to stay alive. It looks like we’ll only ever have small crews spend a miserable time hidden underground.

When Was The Worst Time In History To Die?

AdultsHealthHistoryHuman...
By combining historical demography and epidemiology, we can (sort of) determine how people throughout history have died.

Explore the three main ways viruses can be driven to extinction, and dig into the possibility of COVID-19 dying out.

AdultsHealthHistoryHuman...
Viruses are wildly successful organisms. There are about 100 million times as many virus particles on Earth as there are stars in the observable universe.

I tested the US Military’s secret space weapon

AdultsConstructionHistoryScience...
An engineer came up with a plan to drop tungsten telephone poles from space - the idea has been seriously considered on multiple occasions, so we tested it.

Why Do We Release So Much Gas?

AdultsHistoryHumanScience...
The carbon dioxide we’re pumping into the air every day is causing unprecedented global warming and climate change.

Black Hole Star – The Star That Shouldn't Exist

AdultsEducationScienceSpace
Black hole stars may have been the largest stars to ever exist. They burned brighter than galaxies and were Larger than any star today or that could ever exist in the future.

What Is The Best Shape For A Farm?

AdultsCreativityCultureHistory...
The shape of a farm can tell you a surprising amount about the land it's on and the people that use it.

Why do you want to squeeze cute things?

AdultsHumanPsychologyScience
Explore the psychology of the phenomenon known as cute aggression, which is the urge to squeeze, bite or pinch something cute.

3 Ways Of Seeing Invisible Air Flow

AdultsEducationScienceExperiments
In this lab, they use different flow visualization techniques to help detect contraband, residues, and develop trace particle detection methods.

The Most Extreme Explosion in the Universe

AdultsLifeScienceSpace
Supernovae are the most powerful explosions in the universe, unleashing enough energy to outshine galaxies. We have no real metaphor for their power – if the sun were to magically go supernova it would feel like you were being hit by the energy of a nuclear explosion, every second. For weeks.

How We Learned That Water Isn't An Element

AdultsEducationScienceChemistry
For thousands of years, water was thought to be an element. That is, until some of the greatest chemists in the world managed to crack it open.

The world depends on a strange collection of items. They're not cheap

AdultsEducationLifeScience...
This government warehouse keeps our entire society up to standard.

Veritasium's Derek Muller Answers the Web's Most Searched Questions | WIRED

AdultsEducationFilmScience...
Veritasium's Derek Muller answers the web's most searched questions about himself. Where did the name 'Veritasium' come from? Is Veritasium a real element? Where does Derek live? Is he married? What was Veritasium's first video? Derek answers all these questions and much more!

What if We Replaced Nuclear With Potatoes

AdultsEducationScienceEnergy...
Energy use can be confusing – I mean, how do you compare gasoline in your car to electricity piped to your house? That's why we made these things spud-tacularly simple.