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.
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 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?
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.
Plant Your Pants?!?
YouthHow-toNatureScienceBiology... Shanequa went to meet some young science investigators to find out how a big pair of pants has been used for an experiment to check the quality of soil at a farm.
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.
How Do We Get Energy? (Chemical Reactions): Crash Course Biology #26
AdultsEducationScienceBiology Cells need energy to power the chemical reactions that keep their microscopic cities running, and most of that energy comes from a chemical called ATP.
What Is A Core Sample?
YouthHistoryLifeScienceBiology... Have you ever wanted to go back in time— just to see what it was like? Well, scientists have figured out how …sort of…
Can a Simple Brick Be the Next Great Battery?
AdultsEducationScienceTechnologyEnvironmentBiology... The world relies on manufacturing, and manufacturing relies on heat — a massive contributor to global carbon emissions, responsible for a quarter of the world's fossil fuel use.
Can you trust your memory? This neuroscientist isn’t so sure | André Fenton
AdultsBiologyHealthPsychologyNeuroscience... There are three kinds of memory that all work together to shape your reality. Neuroscientist André Fenton explains.
A Tour of the Cell: Crash Course Biology #23
AdultsBiologyEducationHumanScience... The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced.
Everyone Was Wrong About Avocados - Including Us
AdultsAnimalsLifeNatureScienceBiology... If you’re a fan of avocados, you might have heard that they only exist thanks to prehistoric creatures called giant ground sloths.