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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.

You Are Your Microbes

Youth Biology
Jessica Green and Karen Guillemin emphasize the importance of understanding the many organisms that make up each and every organism.

A Lot About Axolotls

Youth Biology
Join Jessi and Squeaks as they learn about why axolotls have feathery gills and live in water, and how to protect their natural habitat.

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.

The Guts

Youth Biology
Today, we will learn about how your gut works through a rather gross science experiment.

How Your Immune System Works

Adults Biology
Today, we are finding out how your immune system works through a science experiment!

How to master your sense of smell

Adults Biology
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.

The man who lost his sense of touch

Adults Biology
Explore the science behind how your body and brain process different sensations like touch, pain, temperature, and spatial awareness.

Daylight Saving Time Explained

Youth Biology
Find out why setting your clock ahead could impact everything from your sleep to saving the environment.

How Does Our Sense Of Balance Work?

Youth Biology
Today, you will learn about how you BALANCE!

Just How Good is Eagle Vision?

Adults Biology
In a remote part of Scotland, expert bird handler Lloyd Buck sets up a game of hide and seek for his golden eagle Tilly to test just how good her eyesight is.

The Best Way to Boost Your Immune System

Adults Biology
There is this idea floating around that what doesn’t kill you, makes you stronger.

You Can’t Actually Die Of Old Age

Adults Biology
Despite centuries of death records to the contrary, “dying of old age” is not medically possible; instead, it’s just a convenient catch-all.

Magenta: The Colour That Doesn't Exist

Youth Biology
When we look at a rainbow, we see a full spectrum of light. Every colour we could imagine. Except one – magenta.