We Only Discovered This 10 Years Ago
AdultsEducationHistoryBiologyEvolutionScience... Most living things on Earth need oxygen to survive, but scientists discovered a species of bacteria that uses oxygen totally differently from every other organism on Earth.
There Is Something Hiding Inside Earth
AdultsEducationScienceBiologySpace... We’ve found a new planet, home to octillions of the most extreme beings living in the most absurd and deadly hellscape. In absolute darkness, crushed by the weight of mountains, starved of oxygen, cooked alive, bathed in acid, salt or radiation.
5 Ways CRISPR Is About to Change Everything
AdultsBiologyBiotechnologyHuman... CRISPR-based gene therapies are already changing healthcare for things like sickle cell disease. But CRISPR is bigger than just medicine, and it could revolutionize everything from food and agriculture to green energy fuels to plastics.
Why is it so dangerous to step on a rusty nail? - Louise Thwaites
AdultsBiologyHealthHuman... Explore how a toxin-producing bacterium causes tetanus, and how to identify its common symptoms and best prevention practices.
This Disease is Deadlier Than The Plague
AdultsBiologyHistoryHuman... The white death has haunted humanity like no other disease following us for thousands, maybe millions of years.
Why fish are better at breathing than you are - Dan Kwartler
AdultsAnimalsBiologyHuman... Explore how fish use their gills to breathe, and how these processes make them some of the most efficient breathers on Earth.
Why Broken Hearts Hurt — and What Heals Them | Yoram Yovell | TED
AdultsBiologyHealthHuman... What's the relationship between physical and mental pain, and how can you ease both?
How Skin, Snot, and Cells Keep Us Healthy: Animal Defense Systems: Crash Course Biology #45
AdultsBiologyHealthHuman... 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.
Can you transplant a head to another body?
AdultsBiologyHealthTechnology... Follow a neurosurgeon's attempts to perform a head transplant, and dig into the ethical and biological questions the procedure raises.
You have no free will at all | Stanford professor Robert Sapolsky
AdultsBiologyHumanPsychology... How your biology and environment make your decisions for you, according to Dr. Robert Sapolsky.
Our Instruction Manual for Existing
AdultsBiologyHistoryHuman... 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.
Why Are All Humans Unique? Meiosis: Crash Course Biology
AdultsBiologyHumanScience... 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.
Do Gut Microbes Control Your Personality? | Kathleen McAuliffe | TED
AdultsBiologyHealthHuman... 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.
Can you trust your memory? This neuroscientist isn’t so sure | André Fenton
AdultsBiologyHealthPsychology... 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
AdultsBiologyEducationHuman... 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.
CRISPR's Next Advance Is Bigger Than You Think
AdultsBiologyScienceTechnology... You've probably heard of CRISPR, the revolutionary technology that allows us to edit the DNA in living organisms.
Why Can't I Grow More Teeth?
AdultsBiologyEducationHuman... How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.
The #1 way to strengthen your mind is to use your body | Wendy Suzuki
AdultsBiologyHealthHuman... Exercise gives your brain a “bubble bath of neurochemicals,” says Wendy Suzuki, a professor of neural science.
Blindness Isn't a Tragic Binary — It's a Rich Spectrum | Andrew Leland | TED
AdultsBiologyHumanScience... When does vision loss become blindness? Writer, audio producer and editor Andrew Leland explains how his gradual loss of vision revealed a paradoxical truth about blindness -- and shows why it might have implications for how all of us see the world.