TED-Ed
TED-Ed: Joshua W. Pate: The mysterious science of pain
In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the...
SciShow
Why you REALLY can't sleep #shorts #science #SciShow
Why you REALLY can't sleep #shorts #science #SciShow
SciShow
Kicked in the Crotch vs. Childbirth The Great Debate
Childbirth or a swift kick to the crotch? Both are painful experiences, but is there a scientifically accurate way to tell which is worse?
TED-Ed
TED-Ed: Can you solve the rogue submarine riddle? Difficulty level: Master | Alex Rosenthal
Smuggling yourself aboard the rogue submarine was the easy part. Hacking into the nuclear missile launch override — a little harder. And you've got a problem: you don't have the override code. You know you need the same numbers that were...
TED-Ed
TED-Ed: What causes sleepwalking? | Emmanuel During
Mumbling fantastical gibberish; devouring blocks of cheese in the nude; peeing in places that aren't toilets; and jumping out of windows. These are all things people have reportedly done while sleepwalking, a behavior that can be...
SciShow
Why Do We Go All In on Lost Causes?
We've all experienced the sunk cost fallacy: when you are deep into a task and tell yourself that you’ve come this far, so you may as well finish it. We do this even if it's no longer logical to finish. So why do we do it?
TED Talks
Bill Gross: The single biggest reason why startups succeed
Bill Gross has founded a lot of startups, and incubated many others -- and he got curious about why some succeeded and others failed. So he gathered data from hundreds of companies, his own and other people's, and ranked each company on...
SciShow
5 Things Your Hair Can Tell You About Your Health
Your hair isn't just something you have to deal with every morning, it's a part of who you are, and there are things it can tell you about your personal health. Chapters DANDRUFF 0:52 2 GENERAL HAIR LOSS 4:11 PATCHY HAIR LOSS 4:29...
Amoeba Sisters
Biological Levels in Biology: The World Tour
The Amoeba Sisters tour through the biological levels of organization: cells, tissues, organs, organ systems, organism, population, community, ecosystem, biome, biosphere! Table of Contents: 00:00 Intro 0:44 Cells 1:42 Tissues 1:51...
3Blue1Brown
Why do prime numbers make these spirals?
A curious pattern in polar plots with prime numbers, together with discussion of Dirichlet's theorem
TED Talks
TED: Want to be happier? Stay in the moment | Matt Killingsworth
When are humans most happy? To gather data on this question, Matt Killingsworth built an app, Track Your Happiness, that let people report their feelings in real time. Among the surprising results: We're often happiest when we're lost in...
SciShow
Tsunamis... From the Sky?
Scientists have developed reliable early warning systems for tsunamis caused by earthquakes. The problem is, earthquakes aren't the only things that cause tsunamis.
TED-Ed
TED-ED: The power of creative constraints - Brandon Rodriguez
Imagine you were asked to invent something new. It could be whatever you want, made from anything you choose, in any shape or size. That kind of creative freedom sounds so liberating, doesn't it?
Amoeba Sisters
Diffusion
Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all...
TED Talks
TED: Why I fell in love with monster prime numbers | Adam Spencer
They're millions of digits long, and it takes an army of mathematicians and machines to hunt them down -- what's not to love about monster primes? Adam Spencer, comedian and lifelong math geek, shares his passion for these odd numbers,...
Crash Course
How Voters Decide: Crash Course Government and Politics
So today, Craig is going to try to get inside the heads of voters by discussing how voters make decisions. Now obviously, like all decision making, voter decisions are influenced by a multitude of factors, but the three we are going to...
TED-Ed
TED-ED: Why do animals have such different lifespans? - Joao Pedro de Magalhaes
For the microscopic lab worm C. elegans, life equates to just a few short weeks on Earth. The bowhead whale, on the other hand, can live over two hundred years. Why are these lifespans so different? And what does it really mean to 'age'...
Crash Course
Statics: Crash Course Physics
The Physics we're talking about today has saved your life! Whenever you walk across a bridge or lean on a building, Statics are at work. Statics is the study of objects when they're NOT accelerating. In this episode of Crash Course...
Amoeba Sisters
Chromosomes and Karyotypes
Explore chromosomes and karyotypes with the Amoeba Sisters! This video explains chromosome structure, how chromosomes are counted, why chromosomes are important, and how they can be arranged in a karyotype! This video also tackles a few...
TED-Ed
TED-Ed: Can you solve the locker riddle? - Lisa Winer
Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to you, but he knew that if he did, your relatives would pester you...
TED-Ed
TED-Ed: Oliver Elfenbaum: How does the stock market work?
In the 1600s, the Dutch East India Company employed hundreds of ships to trade goods around the globe. In order to fund their voyages, the company turned to private citizens to invest money to support trips in exchange for a share of the...
TED-Ed
TED-Ed: How does cancer spread through the body? - Ivan Seah Yu Jun
Cancer usually begins with one tumor in a specific area of the body. But if the tumor is not removed, cancer has the ability to spread to nearby organs as well as places far away from the origin, like the brain. How does cancer move to...
SciShow
We're Running Out of These Elements — Here's How
Phones, TVs, solar panels, and electric car batteries are all made of some rare and unusual elements. As our modern world creates more and more of these technologies, will things go from "rare" to "nonexistent" and what will we do then?
Crash Course
Shaping Public Opinion: Crash Course Government and Politics
So today Craig is going to talk about where our political opinions come from. Of course, most people’s politics are grounded in their ideologies, but there are also other external influences such as the government itself, interest...