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There’s No Such Thing As “Warm-” Or “Cold-” Blooded

AdultsBiologyHealthLifeScienceAnimals
The concept of warm-blooded and cold-blooded animals is outdated because there are actually tons of different animal thermoregulation strategies.

The Real Reason Leaves Change Color In the Fall

AdultsEducationLifeNatureScienceBiology
Want to learn more about the topic in this week’s video? Here are some keywords to get your googling started: Leaf senescence, chlorophyll, carotenoid, anthocyanin

Photosynthesis

AdultsLifeNatureScienceBiology
Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well.

Lungs Are Great, But They Have One Weakness...

AdultsBiologyHealthHumanEnvironment
Our respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.

Paleontologist Answers Dinosaur Questions From Twitter

AdultsAnimalsEducationLifeScienceBiology
Paleontologist Dr. Hans Sues answers the internet's burning questions about dinosaurs. Why did T-Rex have such tiny arms?

Why can parrots talk? - Grace Smith-Vidaurre and Tim Wright

AdultsAnimalsNaturePsychologyScienceBiology
Explore the specialized anatomy that allows parrots to talk, scream, curse, and recite facts like humans.

Biologist Answers More Biology Questions From Twitter | Tech Support | WIRED

AdultsBiologyLifeNatureScienceEducation
Biologist Thor Hanson is back to answer even more of the internet's burning questions about biology.

How Sommeliers Can Taste Which Year Wine is From

AdultsBiologyHumanScienceFoodEducation
How to Taste Wine Like a Sommelier

Do Other Diseases Have "Long" Versions?

AdultsBiologyHealthScience
This video was made in partnership with Bill Gates. COVID isn’t the only virus to cause long-lasting symptoms. Other viruses - including the flu - can have similar enduring effects on our tissues and immune systems.

The Super Secrets of Sewage

AdultsBiologyHumanScienceHealthEnvironment
In 2020, many cities started monitoring wastewater for viruses, and there are a lot of non-virus reasons to keep doing it.

How does heart transplant surgery work? - Roni Shanoada

AdultsBiologyHumanTechnologyHealthScience
Dig into the science of how heart transplants happen, how donors are matched and find out how this complex surgery saves lives.

The Tree that Survives Without Rain| Earth’s Great Rivers II | BBC Earth

AdultsLifeNatureWorldEnvironmentBiology
In the midst of dry season, while most trees loose their leaves, the apple ring acacias at the Zambezi River is full of life, providing shelter and food for the animals.

Why are cockroaches so hard to kill? - Ameya Gondhalekar

AdultsAnimalsBiologyEducationScienceHumor
Dig into the genetic adaptations of cockroaches, and find out what makes it so hard to get rid of these tenacious creatures.

Crash Course Anatomy & Physiology Preview

AdultsBiologyHumanScienceEducationHealth
We made flashcards to help you review the content in this series! Find them on the free Crash Course App!

Which Diets Actually Work?

AdultsBiologyFoodLifeHealthNutrition
Debunking some common diets, and seeing which work!

The ingredient in almost everything you eat

AdultsFoodHumanScienceBiology
Dig into the science of soy, and discover what makes soybeans such versatile plants and whether it’s healthy for you and the planet.

An Egg Is Just One Cell

AdultsBiologyFoodScience
One of Earth's biggest cells is one you're probably really familiar with.

The Venus Fly Trap’s Deadly Speed | Natural Born Killers | BBC Earth

AdultsEducationLifeNatureBiology
On wrong step and these insects are snapped up!

Is Soil Alive?

AdultsEnvironmentLifeNatureScienceBiology
Soil doesn't seem like it's "alive", yet it functions like a living thing in lots of key ways.

Sir David Attenborough Gives a Lesson on Seeds | The Green Planet | BC Earth

AdultsEcologyLifeNatureBiology
Giant seeds, tiny seeds, floaty seeds and flying seeds. Sir David Attenborough gives us a quick biology lesson in all of them.

Why do cats have vertical pupils? - Emma Bryce

AdultsAnimalsBiologyNature
Dive into the incredible diversity of animal pupils, and how the different shapes indicate the animal’s role in an ecosystem.