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Primitive Technology: Trebuchet

AdultsConstructionCreativityEducation...
I built a trebuchet, a type of catapult that uses a counter weight to store gravitational potential energy which is then used to fire a projectile via a sling.

How Different Species of Fireflies Blink

AdultsAnimalsEducationNature
Did you know that not all species of fireflies blink the same?

Everything You Ever Wanted To Know About Birds

AdultsAnimalsEducationLife...
This summer, we partnered with Nate Senner of the University of Massachusetts Amherst and Tebughna School in Beluga, Alaska to make this series of videos all about how, why, and where birds migrate.

The 4 things it takes to be an expert

AdultsEducationHumanScience...
Which experts have real expertise?

The Nucleus

AdultsEducationScienceWorld...
Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff.

Finances After College | How to College | Crash Course

AdultsLifePersonal FinanceSociety...
If you've taken out student loans, graduation can start a ticking clock in terms of when your first payments will come due.

The Scientist Who Killed Millions and Saved Billions

AdultsEducationLifeScience...
Fritz Haber is the scientist who arguably most transformed the world. Part of this video is sponsored by Wren.

Celebration and Lifelong Learning | How to College | Crash Course

AdultsEducationHumanLife
The end of college isn't the end of your education, it's just the end of a chapter of your education.

Kodak Film

AdultsConstructionCreativityEducation...
The Incredible Way Kodak Makes Film

The Riddle That Seems Impossible Even If You Know The Answer

AdultsEducationMathScience...
The 100 Prisoners Riddle feels completely impossible even once you know the answer. This video is sponsored by Brilliant.

Paleontologist Answers Dinosaur Questions From Twitter

AdultsAnimalsEducationLife...
Paleontologist Dr. Hans Sues answers the internet's burning questions about dinosaurs. Why did T-Rex have such tiny arms?

Coca Cola's Secret Recipe

AdultsBusinessEducationFood
How Coca Cola (Actually) Keeps Its Secret Recipe Secret

Do Rhinos Eat People? | Weird Animal Searches | BBC Earth

AdultsAnimalsLifeNature...
Can rhinos walk backwards? Why do they charge? We answer some of your top searched questions about rhinos.

Primitive Technology: Improved Multi-Blade Blower

AdultsConstructionCreativityEducation...
In the 6 years since I developed the first forge blower I had made very few improvements to it's design.

How To Make Your First Budget (At Any Income)

AdultsEconomyEducationLife...
Here is the second episode of The College Student's Guide To Money! In this episode, Chelsea walks you through everything you need to know to make your first budget, no matter how much money you have coming in.

Your Mental Health in College

AdultsHumanMental HealthSelf...
There is a lot of stress and anxiety around college, whether you're fresh out of high school or you've decided to go back to school years later.

Biologist Answers More Biology Questions From Twitter | Tech Support | WIRED

AdultsBiologyLifeNature...
Biologist Thor Hanson is back to answer even more of the internet's burning questions about biology.

How Sommeliers Can Taste Which Year Wine is From

AdultsBiologyHumanScience...
How to Taste Wine Like a Sommelier

Change Your Life – One Tiny Step at a Time

AdultsEducationEnvironmentLife...
Change Your Life – One Tiny Step at a Time

Synchronous Fireflies

AdultsEducationLifeNature...
Seeing a sparkling carpet of fireflies in your backyard can be a magical experience.

Choosing a Specialization | Crash Course | How to College

AdultsHumanLifeSelf...
Now that we have a better grasp on chosing majors, let's talk a little about specializations. There's a lot to talk about, from declaring a minor to just taking electives that help you get an edge in the job market.