Crash Course
How Do We Produce Food? Crash Course Geography
Over the millennia, every region on Earth has developed its own successful agricultural ecosystem from flat fields of grain and mountainside rice terraces to coastal fish farms and goat herding. Today, we’re going to break down...
SciShow Kids
How do Whales, Penguins, and Polar Bears Keep Warm?
Have you ever wondered how animals can live in super cold places all the time? Jessi shows you how some cool animals like whales, polar bears, and penguins, keep warm!
MinuteEarth
The Most Common Allergy In The World
The urushiol molecules in poison ivy have the ability to trigger a harmful immune response in most people because the immune system mistakenly labels them as a threat.
SciShow
Why Can't You Digest Grass?
You've probably seen cows enjoying a nice mouthful of grass, but why can't we do the same?
SciShow
Gynandromorphs: Dual-Sex Animals
SciShow explores one of the more rare and unusual results of sexual reproduction: gynandromorphy, in which an animal is part male and part female.
SciShow
How Do Honey Bees Survive Natural Disasters?
Honey bees may be small, but they manage to survive some pretty big disasters. Whether it’s hurricanes, wildfires, or even volcanoes, honey bees seem to have a plan for everything.
SciShow Kids
Into the Forest with Jane Goodall!
Jane Goodall is an amazing scientist and conservationist who has dedicated her life to learning about and protecting chimpanzees! Thanks to her, we've learned that, sometimes, people and animals aren't so different! Learn more about her...
SciShow
Algae Might One Day Rule the World
Algae is one of the oldest and most abundant forms of life on planet Earth, so it only makes sense that it offers a ton of solutions to unsustainable modern problems. Here are five ways in which algae continues to reshape the world.
SciShow
Why Are There Animals on My Face?!
It's true. You have tiny mites living all around your face. But who are they? And how did they get there? QQ has the A!
SciShow
Why Body Hair?
In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?
SciShow Kids
Birds that Talk!
Birds can communicate with each other in lots of ways, but some types of birds can learn human words! But just because they learn human words, does that mean that they can understand them?
SciShow
Are We Ready to Edit the Fetal Genome?
Gene therapy is really complicated both scientifically and ethically. But it also has the potential to do some amazing things - like treating life threatening diseases in babies before they are even born.
TED-Ed
TED-ED: How long will human impacts last? - David Biello
Imagine aliens land on Earth a million years from now. What will these curious searchers find of us? They will find what geologists, scientists, and other experts are increasingly calling the Anthropocene, or new age of mankind. David...
Amoeba Sisters
Chromosomes and Karyotypes
Explore chromosomes and karyotypes with the Amoeba Sisters! This video explains chromosome structure, how chromosomes are counted, why chromosomes are important, and how they can be arranged in a karyotype! This video also tackles a few...
SciShow
Altruism
Hank explains the evolutionary basis for altruistic behavior in animals, including vampire bats!
SciShow
The Origins of Cute
Hank talks about three scientific reasons why cute things make us a special kind of crazy.
SciShow
How Many Colors Can We See?
Quick Questions cracks the code of color vision, color blindness, and even newly discovered sort of technicolor vision!
TED-Ed
TED-ED: Do we really need pesticides? - Fernan Perez-Galvez
Annually, we shower over 5 billion pounds of pesticides across the Earth to control insects, unwanted weeds, funguses, rodents, and bacteria that may threaten our food supply. But is it worth it, knowing what we do about the associated...
SciShow
Why Are There Animals on My Face!
It’s true. You have tiny mites living all around your face. But who are they? And how did they get there? QQ has the A!
SciShow
These Superpowered Animals Use Your 5 Senses, But Better
Many animals use the same five senses as we do, but these creatures take that beyond the next level.
TED-Ed
TED-ED: The science of skin color - Angela Koine Flynn
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change....
TED-Ed
TED-Ed: The genes you don't get from your parents (but can't live without) | Devin Shuman
Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of chromosomes. And this isn't just true for humans— it's true of every animal, plant, and fungus on Earth. This second genome belongs to our...
SciShow
How People Have Evolved to Live in the Clouds
High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...
Crash Course
Reproductive System, part 3 - Sex & Fertilization: Crash Course A&P
After weeks of discussion of human reproduction, today we arrive at the main event: THE SEX. Hank explains the four phases of the human sexual response, how a sperm finds and fertilizes an egg, creating a zygote, and how different types...