How Species Make and Break Friendships
AdultsAnimalsHumanLifeScienceBiologyEcology... 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
AdultsBiologyHealthHumanWellnessMental Health... 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
AdultsBiologyHumanScienceDisabilityHealthSociety... 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
AdultsBiologyHumanScienceHealth... 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
AdultsAnimalsBiologyHumanNeurosciencePsychology... 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
AdultsBiologyBiotechnologyEducationScience... 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
AdultsAnimalsLifeNatureScienceBiology... 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.
Why Do We Have Crooked Teeth?
YouthHistoryScienceBiology Explore the prevailing scientific theory of why crooked teeth and impacted wisdom teeth are recent developments in human evolution.
Are Life-Saving Medicines Hiding in the World’s Coldest Places?
AdultsEnvironmentLifeNatureScienceBiology... Could the next wonder drug be somewhere in Canada's snowy north? Take a trip to this beautiful, frigid landscape as chemist Normand Voyer explores the mysterious molecular treasures found in plants thriving in the cold.
Panda Mother Teaches Cub To Eat Bamboo
KidsAnimalsEducationBiology Panda babies aren’t actually born with the essential stomach enzyme needed to break down bamboo. So, how do they eat it?
What Are Plants Made Of? Crash Course Botany
AdultsEducationFoodLifeScienceBiology... When you eat a salad for lunch, you’re digging into a giant pile of plant organs. That’s right—plants are made up of organs, only theirs follow a totally different set of rules from our own.
Your Body Killed Cancer 5 Minutes Ago
AdultsBiologyHealthHumanScience... 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.
You’re Not a Lab Mouse, but You Might Be a Wild Mouse
AdultsAnimalsNatureScienceBiology... The lab mice we use for genetic studies are not only closely related, but live out their whole lives in a sterile environment, so they don’t tell us everything we need to know about actual humans.
The man who lost his sense of touch
AdultsBiologyHealthHumanNeuroscienceScience... Explore the science behind how your body and brain process different sensations like touch, pain, temperature, and spatial awareness.
Just How Good is Eagle Vision?
AdultsBiologyLifeNatureAnimals... 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.
What Was The Biggest Dinosaur That Ever Lived?
YouthAnimalsHistoryScienceBiology... What was the largest dinosaur? And how did it get so big? If you're shouting 'Diplodocus!' and 'Brachiosaurus!', you're on the right track.