TED Talks
How AI could generate new life-forms | Eric Nguyen
New ReviewIf DNA is just a string of letters, could AI learn to read it … or even write it? Bioengineering researcher Eric Nguyen reveals how AI has upended the rules of biology, potentially creating a future where disease is cured with...
PBS
Why The Giraffe Got Its Neck
New ReviewHow and why the giraffe's neck emerged in the first place has been a mystery that generations of biologists have argued over – one that has made us reconsider our understanding of how evolution actually works over and over again.
PBS
You're Living On An Ant Planet
New ReviewHow did ants take over the world? Well, it looks like they didn’t achieve world domination all by themselves. They may have just been riding the wave of a totally different evolutionary explosion.
PBS
We Helped Make Mosquitoes A Problem
New ReviewAround 6,000 years ago, in the Sahel region of Africa, a lone female mosquito buzzed through the lush, green savannah. She couldn’t know it, but the planet itself was about to change in ways that would see her descendants evolve to live...
PBS
Why Is It So Hard to Tell the Sex of a Dinosaur?
New ReviewWhile we think we know a lot about dinosaurs – like how they moved and what they ate – for a long time, we haven’t been able to ID one seemingly basic thing about their biology... Which are males and which are females?
Be Smart
The Great Oxygenation
New ReviewLife’s been around on Earth for at least 3.7 billion years. But for most of that time, it was incredibly boring — just simple little cells squirming around in water. It only got interesting in the last few hundred million years. And that...
Be Smart
Why You See Faces in Things
New ReviewHave you ever looked at a cloud and seen a face? Or the front of a car and seen a face? Or an electrical outlet and seen a face? You definitely have. We all see faces everywhere we look thanks to a fun quirk of the human brain called...
Be Smart
The Weird Science That Lets Insects Fly in the Rain
New ReviewImagine the scale of raindrops if you were the size of a small bird. Or mosquito. Flying through a drizzle should be deadly! Like flying through falling cars and boulders. And yet it’s not, because nature has given them a...
Be Smart
Why Are Blood Types a Thing?
New ReviewAcross life on Earth, blood comes in red, blue, green, purple, even clear. But why? And what makes your blood different from mine? This video will teach you everything you need to know about the strange world of blood—what it does, why...
Be Smart
The Surprising Power of Sex in Evolution
New ReviewWe all know Charles Darwin's theory of evolution, right? Natural selection? But what about his lesser-know theory of evolution: sexual selection. Let’s talk about how animals like peacocks, whose eye-catching physical traits make them...
Be Smart
How Feathered Dinosaurs Accidentally Invented Flight
New ReviewHow did dinosaurs become birds—and what good is half a wing? Join Joe and a few brave chickens as they recreate a brilliant experiment that helps solve one of evolution’s greatest mysteries: the origin of feathered flight.
Amoeba Sisters
Menstrual Cycle Walkthrough: Phases & Hormonal Regulation
New ReviewIn this menstrual cycle video, explore the ovarian cycle and uterine cycle with the Amoeba Sisters! This video will walk through major events in phases of the ovarian cycle (follicular phase and luteal phase) and phases of the uterine...
Amoeba Sisters
Angiosperm (Flowering Plants) Reproduction
New ReviewJoin the Amoeba Sisters as they introduce angiosperms (flowering plants) before exploring flower parts, pollination, and double fertilization in angiosperms! This video also talks about the importance of pollinators.
Amoeba Sisters
Intro to Cladograms and Phylogenetic Trees
New ReviewJoin the Amoeba Sisters as they introduce the basics about cladograms and phylogenetic trees. The Amoeba Sisters walk through the process of building a basic cladogram and mention vocabulary such as: shared ancestral character, shared...
Amoeba Sisters
Action Potential
New ReviewJoin the Amoeba Sisters as they explore the action potential. This video discusses resting membrane potential before going into the phases of the action potential including vocabulary such as depolarization, repolarization, and...
Crash Course
What Biologists Do: Crash Course Biology #3
A biologist’s natural habitat is anywhere questions about life are being asked—whether the subject is a nematode or a narwhal, a single cell, or a whole ecosystem. In this episode of Crash Course Biology, we’re flipping the microscope...
Crash Course
The Scientific Method: Crash Course Biology #2
Science offers a way of discovering and understanding the world around us, driven by questions and tested with evidence. And it’s a twisty-turny team effort— you won’t find many lone geniuses out there, or straight lines from hypothesis...
Crash Course
Introduction to Biology: Crash Course Biology #1
Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. The word “life” can be tricky to define, but a shared set of characteristics helps biologists identify living things. In this...
SciShow
11 Things That Can Change Your Eye Color
You can dye your hair, you can get a tan, but the color of your eyes is pretty much set in stone - or is it? From weird diseases to temper flare-ups and even iris implants, here are just a few ways that your eye color might not be so...
Crash Course
Biology and You: The Dr. Sammy Show: Crash Course Biology #50
Biology connects all of life—all of YOUR life. In the final episode of Crash Course Biology, Dr. Sammy is taking your questions. No matter how big, small, or personal, biology is in them all! He’ll show us how biology can help us solve...
Crash Course
Animal Behavior: Why This Toad Is Bad at Jumping: Crash Course Biology #49
Why do animals do what they do? It’s a huge question, and in this episode, we’ll learn how scientists break it down. We’ll talk about the proximate and ultimate studies they use to understand animal behavior, and some of what they’ve...
Crash Course
Sexual & Asexual Reproduction: How Animals Do It: Crash Course Biology #47
When it comes to animal reproduction, there’s no one-size-fits-all strategy. Some animals need a mate, others don’t, and for some, it depends! In this episode, we’ll learn about sexual and asexual reproduction, internal and external...
Crash Course
Nervous & Endocrine Systems: What Really Happens When You Step on a Lego: Crash Course Biology #46
If cells and organs never talked to each other, an animal would fall apart faster than a boy band after the popular one goes solo. Thankfully, that’s where the nervous and endocrine systems come in! In this episode of Crash Course...
Crash Course
Animal Defense Systems: How Skin, Snot, and Cells Keep Us Healthy: Crash Course Biology #45
The world is full of microbes and viruses that can get us sick, but we’ve got an Avengers-style defense system ready to take them on. In this episode of Crash Course Biology, we’ll learn about an animal’s immune system, from their skin...