5 Ways CRISPR Is About to Change Everything
Adults Biology
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
Adults Biology
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
Adults Biology
The white death has haunted humanity like no other disease following us for thousands, maybe millions of years.
Why People Prefer More Pain
Adults Biology
We experimented to see how much pain our volunteers could handle.
Why Broken Hearts Hurt — and What Heals Them | Yoram Yovell | TED
Adults Biology
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
Adults Biology
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?
Adults Biology
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
Adults Biology
How your biology and environment make your decisions for you, according to Dr. Robert Sapolsky.
Our Instruction Manual for Existing
Adults Biology
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
Adults Biology
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
Adults Biology
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
Adults Biology
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
Adults Biology
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.
Why Can't I Grow More Teeth?
Adults Biology
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
Adults Biology
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
Adults Biology
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.
The Reason Why Cancer is so Hard to Beat
Adults Biology
An undead city under siege, soldiers and police ruthlessly shooting down waves of zombies that flood from infected streets, trying to escape and infect more cities. This is what happens when your body fights cancer, more exciting than any movie.
Neuroscientist debunks ‘lizard brain’ myth | Lisa Feldman Barrett
Adults Biology
Plato famously described the human psyche as two horses and a charioteer: One horse represented instincts, the other represented emotions, and the charioteer was the rational mind that controlled them.
What Biologists Do: Crash Course Biology
Adults Biology
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.
https://hw-cdn.smrtenglish.cn/smrtenglish.com-cn/cafe/china/vid1605.mp4
Adults Biology
Science can’t stop aging, but it may be able to slow our epigenetic clocks.
Your Body Killed Cancer 5 Minutes Ago
Adults Biology
Somewhere in your body, your immune system just quietly killed one of your own cells, stopping it from becoming cancer, and saving your life. It does that all the time.