Crash Course
Revenue Streams: Crash Course Entrepreneurship
Profit, revenue, income, assets, cash flow -- all these words mean money, but they all have specific uses. In business, money is important to us and we want to describe it as accurately as possible.
TED Talks
TED: How sci-fi informs our climate future — and what to do next | Zainab Usman
Science fiction authors have warned us for decades: division among global leaders can quickly create dystopia. Political economist Zainab Usman thinks present-day power struggles may seriously hinder the world's ability to fight climate...
PBS
When Giant Hypercarnivores Prowled Africa
These hyaenodonts gave the world some of its largest terrestrial, carnivorous mammals ever known. And while these behemoths were the apex predators of their time, they were no match for a changing world.
PBS
The Croc That Ran on Hooves
In the Eocene Epoch, there was a reptile that had teeth equipped for biting through flesh, its hind legs were a lot longer than its front legs and instead of claws, its toes were each capped with hooves. How did this living nightmare...
PBS
Why The Paleo Diet Couldn't Save The Neanderthals
These relatives of ours lived in Eurasia for more than 300,000 years. They were expert toolmakers, using materials like stone, wood, and animal bone. They were also skilled hunters and foragers, and may even have created cave art. So...
PBS
How the Walrus Got Its Tusks
The rise and fall of ancient walruses, and how modern ones got their tusks, is a story that spans almost 20 million years. And while there are parts of the story that we’re still trying to figure out, it looks like tusks didn’t have...
PBS
When Giant Scorpions Swarmed the Seas
Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes. Over time, they developed a number of adaptations--from crushing claws to flattened tails for swimming. And some of them adapted by getting so big...
MinuteEarth
The 3 Reasons This Tree Has Lived 5000 Years
Methuselah’s environment lacks nutrients, water, and oxygen. In other words, it’s the perfect place to grow very very old.
SciShow
How Did North America End Up With a Marsupial?
Both North and South America have their own species of marsupial, the opossum, but how they got so far away from their Australian relatives is a bit of a mystery.
SciShow
9 of the Weirdest Sperm Adaptations
You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique adaptations to get where they're going.
SciShow
When Athletes Dope ... & Einstein FTW
This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...
SciShow
No, Your Dog Doesn't Think You're the "Alpha"
The toughest, most dominant canine gets the resources and respect - or at least that's the idea that caught on culturally. Turns out, that's not necessarily how it works.
Curated Video
Phelps trades gold for games at 'Call Of Duty' celebration
MICHAEL PHELPS GOES FROM GOLD TO GAMES AT 'CALL OF DUTY' CELEBRATIONMichael Phelps is going from Olympic gold to video games -- with a trip to a "Call of Duty" fan event in Inglewood, California. The 23-time gold medalist was among the...
Curated Video
Tiger Woods intends to remain out of golf at least until the Masters, two people with knowledge of his plans told The Associated Press. AP Gold Writer Doug Ferguson says he expects to see Woods in Augusta. (March 12)
HEADLINE: AP Analysis: When will Tiger return?
CAPTION: Tiger Woods intends to remain out of golf at least until the Masters, two people with knowledge of his plans told The Associated Press. AP Gold Writer Doug Ferguson says he expects...
Crash Course
What Can You Learn from Your Competition? Crash Course Business Entrepreneurship
We’re used to competitions with clear winners and losers: baseball games, math olympiads, pie-eating contests, and games involving thrones. We crown a victor and everyone else goes home empty-handed! In business, though, there isn’t just...
Crash Course
What is a Game?: Crash Course Games
Welcome to Crash Course Games! In this series our host Andre Meadows is going to discuss the history and science of games. We're going to talk about video games of course, but also board games, role playing games, card games, even...
PBS
Life, Sex & Death Among the Dire Wolves
This is not a Game of Thrones fan fiction episode. Dire wolves were real! And thousands of them died in the same spot in California. Their remains have taught us volumes about how they lived, hunted, died and way more about any animal's...
SciShow
No, Your Dog Doesn't Think You're the "Alpha"
The toughest, most dominant canine gets the resources and respect - or at least that's the idea that caught on culturally. Turns out, that's not necessarily how it works.
TED Talks
TED: Fossil fuel companies know how to stop global warming. Why don't they? | Myles Allen
The fossil fuel industry knows how to stop global warming, but they're waiting for someone else to pay, says climate science scholar Myles Allen. Instead of a total ban on carbon-emitting fuels, Allen puts forth a bold plan for oil and...
TED Talks
TED: Esports, virtual Formula 1 and the new era of play | James Hodge
As the line between the physical and digital worlds blur, so does the line between real-world and virtual sports. Reframing our understanding of competition, data-driven technologist James Hodge explains how far esports (like virtual...
TED Talks
P.J. Parmar: How doctors can help low-income patients (and still make a profit)
Modern American health care is defined by its high costs, high overhead and inaccessibility -- especially for low-income patients. What if we could redesign the system to serve the poor and still have doctors make money? In an...
Crash Course
How to Seek Help and Find Key Partners: Crash Course Entrepreneurship
Entrepreneurs do have to wear a lot of hats, but we need to understand where we fall short and where other people or products could help get the job done. We can’t be an expert in everything or have time to do everything. But some people...
TED Talks
Nick Hanauer: The dirty secret of capitalism -- and a new way forward
Rising inequality and growing political instability are the direct result of decades of bad economic theory, says entrepreneur Nick Hanauer. In a visionary talk, he dismantles the mantra that "greed is good" -- an idea he describes as...