SciShow
7 Animals with Super Weird (and Sometimes Horrifying) Teeth
Humans don't have interconnected teeth for slicing, or a secondary set of jaws to clamp down on prey already in our mouths, however, the rest of our animal kingdom is full of strange and awesome adaptations.
Bozeman Science
Microevolution
Paul Andersen defines microevolution as any change in the frequency of the allele pool. He then explains the five mechanisms of evolution; small sample size, non-random mating, mutations, gene flow and natural selection.
Crash Course
How Engineering Robots Works: Crash Course Engineering #33
In this episode we looked at robots and the engineering principles of robots. We learned how robots use sensors to interpret their environment, how actuators and effectors allow a robot to manipulate the objects around it to accomplish a...
MinuteEarth
Why We Faint (When Other Animals Don't)
Humans are the only animals known to faint due to triggers like shock, fear, or pain; this is due to a combination of our massive brains and upright stance.
MinuteEarth
The Problem With Life Expectancy
In order to truly understand differences among animal lifespans, we need to stop thinking about a specific number and start thinking about a distribution.
Be Smart
3 Incredible Examples of Evolution Hidden In Your Body
Humans are special, and we got that way thanks to evolution and natural selection. The proof is right there in our bodies! From anatomy to genes, here are some stories of how you got to be the way you are.
SciShow
Onions, Emotions, and Why We Cry
Have you ever wondered why we cry? In today's episode of SciShow, Hank gives us the answer, covering different types of tears and whether we are the only species to get all teary eyed during the final scene of a good movie.
SciShow
What Do Mirror Neurons Really Do?
Mirror neurons are a very cool part of our brains but some people are taking it way further by making claims that they are responsible for telepathy and ESP. It goes without saying that this isn’t true, but what exactly do mirror neurons...
SciShow
When Will We All Die The Statistics of Human Extinction
We humans like to think we’re special in basically all ways, but if the history of life is any indication, our species has a limited time on this planet. So the question is: when are we gonna go extinct?
SciShow
How Much Junk Is in Your DNA Trunk?
The human genome is 3.2 billion base pairs long and contains around 20,000 genes, but how much of that is garbage?
SciShow
How Safe Are Pesticides, Really?
If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be?
TED Talks
Hamish Jolly: A shark-deterrent wetsuit (and it's not what you think)
Hamish Jolly, an ocean swimmer in Australia, wanted a wetsuit that would deter a curious shark from mistaking him for a potential source of nourishment. (Which, statistically, is rare, but certainly a fate worth avoiding.) Working with a...
Be Smart
Zombie Parasites!
Shows like The Walking Dead are full of hungry, mindless, surprisingly fleet-footed armies of brain-eating zombies. Could they actually exist? Are zombies real? Well, maybe if you're talking about zom-bees! This week I introduce you to...
Bozeman Science
Cell Division
Paul Andersen explains how cells duplicate through the process of cell division. Prokaryotic cells (like bacteria) duplicate through a process of binary fission. Eukaryotic cells (like you) duplicate body cells through mitosis and create...
SciShow
Why Don't Spaceships Have Artificial Gravity?
We've seen this done in movies right? Well, why don't spaceships have this technology?
SciShow
Meet the Sea Dragon: The Biggest Rocket Ever Designed
The 1960s were an optimistic time for space exploration - so much so that a team designed a rocket called the Sea Dragon that was big enough to launch an entire space station from the sea in one go!
Be Smart
Claude Monet Was Half Honeybee
Claude Monet had a very unique eye, and it can teach us a bit about the science of vision
TED Talks
TED: My quest to defy gravity and fly | Elizabeth Streb
Over the course of her fearless career, extreme action specialist Elizabeth Streb has pushed the limits of the human body. She's jumped through broken glass, toppled from great heights and built gizmos to provide a boost along the way....
TED-Ed
TED-Ed: The carbon cycle - Nathaniel Manning
What exactly is the carbon cycle? Nathaniel Manning provides a basic look into the cyclical relationship of carbon, humans and the environment.
SciShow
Saving the Elephants with Carbon Dating
The researchers have found that almost all the illegal ivories are from recent poaching. Meanwhile, humans are not only animals that are farsighted!
SciShow
Who Will Survive The 6th Mass Extinction
Some scientists say we’re in the midst of Earth’s sixth mass-extinction event, caused entirely by us. But some animals have a knack for surviving in a human-dominated world. What’s their secret?
Crash Course
Why Early Globalization Matters: Crash Course Big History
Globalization has been in process for centuries, and has had a huge effect on Big History, and on Collective Learning. This week, Emily is investigating early globalization through three things that moved around the world and shaped...
TED Talks
Amber Case: We are all cyborgs now
Technology is evolving us, says Amber Case, as we become a screen-staring, button-clicking new version of homo sapiens. We now rely on "external brains" (cell phones and computers) to communicate, remember, even live out secondary lives....