The Four Spheres Part 1
YouthBiologyNatureScienceEducation... In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere.
How Skin, Snot, and Cells Keep Us Healthy: Animal Defense Systems: Crash Course Biology #45
AdultsBiologyHealthHumanScience... 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.
The Rock That's Helping Us Find the Origin of Life
AdultsHistoryLifeScienceBiologySpace... Epidote might just look like a pretty little crystal, but it has a secret. thanks to the high-pressure circumstances where it forms, we can use it to help us uncover the origins of life on our planet, and maybe even find signs of life on Mars.
Can you transplant a head to another body?
AdultsBiologyHealthTechnologyHumanScience... Follow a neurosurgeon's attempts to perform a head transplant, and dig into the ethical and biological questions the procedure raises.
What Jumping Spiders Teach Us About Color
AdultsAnimalsLifeScienceBiology... How jumping spiders reveal an entire secret world of colors. Let BetterHelp connect you to a therapist who can support you - all from the comfort of your own home.
Plants Are Hardcore: Plant Anatomy & Physiology: Crash Course Biology
AdultsLifeNatureWorldScienceBiologyEducation... Plants may not seem like they’re doing much, but if you look closer, you’ll find a whole world just lurking beyond the surface.
You have no free will at all | Stanford professor Robert Sapolsky
AdultsBiologyHumanPsychologyScience... How your biology and environment make your decisions for you, according to Dr. Robert Sapolsky.
Animal News: Loud Fish
YouthAnimalsScienceBiology Researchers now know how a tiny fish called the Danionella cerebrum makes such a loud noise.
What Is Earwax?
YouthBiologyHumanHealthScience... Explore why earwax forms, its purpose in our health, and whether or not we should be trying to get rid of it.
The Wonderful World Of Insect Mouths
KidsAnimalsNatureScienceBiologyEducation... In this episode, Jessi and Squeaks learn about the many kinds of mouths insects can have, and why they look so different!
Our Instruction Manual for Existing
AdultsBiologyHistoryHumanScience... Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication.
The Science Behind The Colours Animals See
KidsAnimalsNatureScienceBiology... A team of researchers from the University of Sussex in the U.K. and George Mason University in the U.S. used a modified camera to record nature as it might be seen by other animals.
Why Are All Humans Unique? Meiosis: Crash Course Biology
AdultsBiologyHumanScienceEducation... Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.
Why Do We Get Goosebumps?
YouthBiologyHumanScience We've all been there when it gets a bit chilly and you end up with goosebumps. But have you ever wondered why and how we get them?
Your Immune System
KidsBiologyHealthScience Watch the video to learn how our immune system works and what are the three types of immunity that protect us each and every day.
Why Do Reindeer Eyes Change Colour?
YouthAnimalsFactsScienceBiology... Reindeer eyes have the remarkable ability to change colour throughout the year. Dr. Natalie Cooper tells us more.
Do Gut Microbes Control Your Personality? | Kathleen McAuliffe | TED
AdultsBiologyHealthHumanNeuroscience... Biologist Kathleen McAuliffe dives into new research that suggests certain bacteria in your gut can influence major parts of who you are, from your personality to life-changing neurological disorders.