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.
Everyone Was Wrong About Avocados - Including Us
Adults Biology
If you’re a fan of avocados, you might have heard that they only exist thanks to prehistoric creatures called giant ground sloths.
How Did Humans Evolve? Crash Course Biology #19
Adults Biology
What’s a human? And how did we become humans, anyway?
How Did Life Begin? (Evolutionary History): Crash Course Biology #16
Adults Biology
Humans may have been around for a long time, but life has existed for way longer. In this episode of Crash Course Biology, we’ll journey through deep time to uncover the history of life on Earth.
Why Did It Take Us So Long?
Adults Biology
We've long known that animal pollination is an important way plants reproduce on land, but we're only JUST finding out animals also pollinate plants underwater.
The best pregnancy test used to be this frog ... no, really - Carly Anne York
Adults Biology
Dig into how African clawed frogs can help detect human pregnancy, and how their use in experiments had unintended consequences.
CRISPR's Next Advance Is Bigger Than You Think
Adults Biology
You've probably heard of CRISPR, the revolutionary technology that allows us to edit the DNA in living organisms.
The World's Longest Beak
Adults Biology
The sword-billed hummingbird has exclusive access to food that other birds simply cannot reach, but having such a long bill does have its drawbacks.
Why So Many Ladybugs Don't Look Like Ladybugs
Adults Biology
Ladybugs are red with black spots, right? Well, not always. There's a lot of genetic and evolutionary reasons that they can be different colors with wacky patterns.
Do mosquitos actually bite some people more than others?
Adults Biology
Explore the science of what attracts mosquitos, and find out why mosquitos bite some people more than others.
The WEIRD Way Monkeys Got to America
Adults Biology
Many of the greatest biological dispersal events in history likely happened because animals inadvertently traveled across the oceans on floating debris.
Is Bigger Better?
Adults Biology
Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.
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.
How Species Make and Break Friendships
Adults Biology
Community ecology is the study of interactions between different species of living things, and lets ecologists examine the effects of predator-prey relationships, parasites, and mutually beneficial interactions. In this episode of Crash Course Biology, we’ll examine the myriad interspecies interactions with examples, see how keystone species impact their environment and explore how communities rebuild when they are disrupted, through the lens of the 1980 eruption of Mount St. Helens.
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.
How To Get Venom From The World's Deadliest Spider
Adults Biology
The deadliest is probably the funnel-web spider and its relatives. The Sydney funnel web spider (Atrax robustus) can kill a toddler in about 5 minutes and a 5-year-old in about 2 hours.
The science of super longevity | Dr. Morgan Levine
Adults Biology
Science can’t stop aging, but it may be able to slow our epigenetic clocks.