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...
TED Talks
George Blair-West: 3 ways to build a happy marriage and avoid divorce
Choosing to marry and share your life with someone is one of the most important decisions you can make in life. But with divorce rates approaching fifty percent in some parts of the world, it's clear we could use some help picking a...
TED-Ed
TED-Ed: 3 tips to boost your confidence
When faced with a big challenge where potential failure seems to lurk at every corner, you’ve probably heard the advice, “Be more confident!” But where does confidence come from, and how can you get more of it? Here are three easy tips...
SciShow
The Truth About the Five Stages of Grief
The Five Stages of Grief show up in media everywhere from The Simpsons to Robot Chicken, but scientists have long been working on better ways to think about grief.
TED-Ed
TED-Ed: How Mendel's pea plants helped us understand genetics - Hortensia Jimenez Diaz
Each father and mother pass down traits to their children, who inherit combinations of their dominant or recessive alleles. But how do we know so much about genetics today? Hortensia Jimenez Diaz explains how studying pea plants revealed...
SciShow
Are the Bees Okay Now?
About 10 years ago, the news was packed with reports about something called colony collapse disorder — a mysterious phenomenon that involved the disappearance of enormous numbers of bees. Then, the news stopped talking about it. So what...
Bozeman Science
ESS2D - Weather and Climate
In this video Paul Andersen describes both weather and climate. Weather is the day-to-day conditions on the Earth's surface, including temperature, wind, humidity, air pressure, and precipitation. Climate are the long term conditions...