PBS
The Traits That Spawned the Age of Mammals
Lots of the traits we think of as defining us as mammals show up pretty early, during the time of the dinosaurs. And, in some cases, they show up a lot earlier and in things that weren’t mammals at all.
PBS
When Pterosaurs Walked
If you know one thing about pterosaurs, it’s that they’re flyers. And while pterosaurs may be well-known for their domination of the skies in the Mesozoic Era, they didn’t live their entire lives in the air. So how did we figure this...
SciShow
5 Groundbreaking Women in Engineering
After many years of quietly changing the world, women are finally receiving recognition for contributions in STEM. Let’s celebrate these 5 groundbreaking women, and their contributions to the field of engineering.
SciShow
This Problem Could Break Cryptography
What if, no matter how strong your password was, a hacker could crack it just as easily as you can type it? In fact, what if all sorts of puzzles we thought were hard turned out to be easy? Mathematicians call this problem P vs. NP, it...
SciShow
The Secret of Your "Junk," Revealed!
Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.
SciShow
Should You Worry About Caffeine Dehydrating You?
There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine affecting you as much as you think?
SciShow
All About Vaccines | SciShow Compilation
We've been spending a lot fo time thinking about one vaccine: the COVID vaccine. But vaccines have been around since long before SARS-CoV-2 showed up, so let's learn about some of those other vaccines.
SciShow
Was The Apollo Mission a Mistake? | A SciShow Documentary
The Apollo program was famous for being risky and expensive. It sent multiple daring astronauts to the moon, but had a crunched timeline, and lacked modern tech. In this special episode of SciShow, we'll be discussing... was the Apollo...
SciShow
Good News: Daffodils Are The Worst
Daffodils are cheerful symbols of spring… and also cold blooded killers. But it turns out, the poison in these plants may actually be helpful to us humans!
SciShow
The Science of Chocolate
While you unwrap that luscious truffle, let Hank explain the science of chocolate -- where it comes from, what its active ingredient is, and how it works. Also learn the difference between chocolate, cocoa, cacao and coca, so you really...
SciShow
The Biggest Herb on Earth is... a Banana?!
When you think of herbs, you might picture rosemary, basil, or dill weed, but you can add something a bit bigger than that to your mental herb collection: good ol' bananas.
SciShow
Why Tomatoes Are Fruits, and Strawberries Aren't Berries
Did you know that bananas are berries, but strawberries aren’t? A lot of thought goes into classifying fruits and vegetables, and it all has to do with anatomy.
PBS
Many pre-school teachers are scared of teaching STEM
Everyone knows that 3-, 4- and 5-year-olds ask a lot of questions. But that
unrestrained curiosity can unsettle preschool teachers who feel they lack
sufficient understanding of science, technology, engineering and math,
often...
Bozeman Science
LS1A - Structure and Function
How do the structures of organisms enable life's functions? Benchmarks for grades 2, 5, 8 and 12 are included.
Bozeman Science
Practice 6 - Constructing Explanations and Designing Solutions
Paul Andersen explains how scientists modify theories by constructing explanations. He also discusses the cycle of design used by engineers to solve problems. He starts by defining a theory as a well-established explanation of a...
TED-Ed
TED-Ed: Three ways the universe could end - Venus Keus
Our universe started with the Big Bang, but how will it end? Explore cosmologists’ three possible scenarios: the Big Crunch, the Big Freeze and the Big Rip. -- We know about our universe’s past: the Big Bang theory predicts that all...
Crash Course
To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34
This week we’re exploring aerospace engineering and its two main fields: aeronautical engineering and astronautical engineering. We’ll explore life & buoyancy, propulsion systems, and the challenges of managing the human body in space.
Crash Course
Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39
In this episode, we looked at food engineering. We explored how food’s capacity to spoil makes it a unique challenge from an engineering viewpoint. We saw how many branches of engineering come into play to process ingredients, ensure...
Bozeman Science
Thinking in Causation - Level 3 - Causal Relationships
In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal relationships. TERMS: Cause - a thing that gives rise to an event Effect - an event Relationship - interconnection between parts of a system This...
Crash Course
The History of Chemical Engineering: Crash Course Engineering #5
Today we’ll cover the fourth and final of our core disciplines of engineering: chemical engineering. We’ll talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. We’ll also discuss...
Crash Course
Drugs, Dyes, & Mass Transfer: Crash Course Engineering #16
Today we’re talking about mass transfer. It doesn’t just apply to objects and fluids as a whole, but also to the individual molecules and components that make them up. We’ll see that transfers of mass need their own driving force,...
Crash Course
Building a Desalination Plant from Scratch: Crash Course Engineering #44
An essential part of engineering is engineering design. Today we’ll see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. We’ll explain the need test...
SciShow
The Secret of Your "Junk," Revealed!
Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.
SciShow
Bugs Aren't Brainless! | Great Minds: Charles Henry Turner
At the turn of the 20th century, scientists thought that insects were nothing more than tiny reflex machines. But Charles Henry Turner, who was possibly America’s first Black entomologist, ran some groundbreaking animal behavior studies...