Crash Course
Heat Engines, Refrigerators, & Cycles: Crash Course Engineering #11
Cycles are a big deal in engineering. Today we’ll explain what they are and how they’re used in heat engines, refrigerators, and heat pumps. We’ll also discuss phase diagrams and the power of using renewable energy resources
SciShow
Dire Wolves Were Real! But Not Wolves
When you hear the words dire wolf, your mind might jump to Game of Thrones or Dungeons and Dragons, but dire wolves are not just in the realm of fantasy and fiction. They were real animals that lived during the last Ice Age, and we're...
SciShow
Prions: The Real Zombie-Makers
Hank is tired of zombies in popular culture, and while acknowledging that dead people are scary (especially if they start moving around), he brings us some information on prions - misfolded proteins that are responsible for destroying...
Crash Course
Evolution: It's a Thing - Crash Course Biology
Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization.
SciShow
How Cells Got Their Membranes (Maybe) | SciShow News
For life to evolve on Earth, a bunch of complex organic molecules had to evolve a way to assemble into cells. So how did those proto-cells get cell membranes? Some researchers have a new hunch. Also, scientists are borrowing a trick from...
SciShow
Are You Doomed to Turn into Your Parents?
Worried about turning into your parents? Hank unpacks the connection between personality, genetics, and upbringing. Ultimately, though, you are your own person.
Bozeman Science
The Bohr Atom
In this video Paul Andersen describes the major parts of an atom and explains how the Bohr Model more accurately represents the location of electrons around the nucleus. Niels Bohr refined the Rutherford model to account for spectra.
TED Talks
Steven Pinker: Human nature and the blank slate
Steven Pinker's book The Blank Slate argues that all humans are born with some innate traits. Here, Pinker talks about his thesis, and why some people found it incredibly upsetting.
SciShow Kids
Let's Build Paper Rockets | Experiment | Let's Explore Mars! | SciShow Kids
Squeaks and Mister Brown are so excited about rockets, they're going to make their own! You can join in on the fun and learn how to make one too!
Crash Course
The Periodic Table: Crash Course Chemistry
Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different...
Crash Course
Studying for Exams: Crash Course Study Skills
It turns out that saving all of your studying until after midnight on the night before your big exam is not actually a great way to prepare. Today, Thomas explains some test prep strategies that actually work.
Crash Course
Statistics in the Courts - Crash Course Statistics
As we near the end of the series, we're going look at how statistics impacts our lives. Today, we're going to discuss how statistics is often used and misused in the courtroom. We're going to focus on three stories in which three huge...
Crash Course
Unsupervised Learning
Today, we’re moving on from artificial intelligence that needs training labels, called Supervised Learning, to Unsupervised Learning which is learning by finding patterns in the world. We’ll focus on the performing unsupervised...
Bozeman Science
Endosymbiosis
Paul Andersen explains how eukaryotic cells were formed through a process of endosymbiosis. He describes how aerobic bacteria became mitochondria and cyanobacteria became chloroplasts. He mentions an example of symbiosis that occurs...
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...
TED-Ed
TED-Ed: What would happen if you didn't drink water? - Mia Nacamulli
Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the...
Crash Course Kids
Star Personalities
Down here, on Earth, if you look up at the night sky, it seems like all the stars up there look the same. Or maybe at least similar. But, it turns out that stars are very different and we shouldn't stereotype them. Some are bigger, some...
Be Smart
How Evolution Turned A Possum Into A Wolf
Until the early 20th century, Tasmania was home to a very weird wolf-like creature. Except that it wasn't a wolf. Even though it looked like a wolf. How did that happen? Here's the science of convergent evolution!
TED-Ed
TED-ED: Can robots be creative? - Gil Weinberg
People have been grappling with the question of artificial creativity -- alongside the question of artificial intelligence -- for over 170 years. For instance, could we program machines to create high quality original music? And if we...
Curated Video
Exploring the Ancient Ruins and Natural Wonders of the Yucatan Peninsula
Yucatan, Mexico:"We head to Yucatan, the land where the ancient Mayans flourished to visit its majestic pyramids and discover this ancient civilization."
Curated Video
Distinguishing Alligators from Crocodiles: Snout Shape and Other Visual Clues
In this video, the difference between alligators and crocodiles is explored through visual cues such as the shape of their snouts and the placement of their eyes. It is explained that alligators have a rounded, wide snout, while...
Curated Video
Eco-Friendly Living: The Grow Community on Bainbridge Island
Discover the Grow Community on Bainbridge Island, where sustainable living meets modern design. Learn how advanced technology, such as mini-split heat pumps and solar panels, reduces energy consumption, while shared green spaces and...
Professor Dave Explains
How Genetics Interacts with Biological Anthropology
Once the field of genetics was developed, our understanding of biology was completely transformed. How did this specifically impact the field of anthropology? From Mendel's laws to the Human Genome Project, let's learn about how our...