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The Best Dragon

AdultsAnimalsMediaScienceBiologyEvolution
We ranked dragons based on how biologically and evolutionarily plausible they are.

What Does Testosterone Really Do To Your Body?

AdultsBiologyHealthHumanScience
https://youtu.be/r9kSWwWH1B8

How The Modern World Tricks Our Bodies Into Hurting Themselves

AdultsBiologyHealthHumanScience
The same enzyme that used to save us is now killing us because the body reactions it catalyzes now cause more harm than good.

Sweating Different Colors?

AdultsBiologyHealthHumanScienceHumor
Can you REALLY sweat in a variety of colors? It's Dear Blocko #21!

Why Exercise Is Hard

AdultsBiologyHealthHuman
Because exercise isn't essential for short-term survival, we don't exercise enough, so we need to reincorporate purposeful physical activity into our lives.

Why Exercise Is Hard

AdultsBiologyHealthHuman
Because exercise isn't essential for short-term survival, we don't exercise enough, so we need to reincorporate purposeful physical activity into our lives.

The dust bunnies that built our planet

AdultsHistoryHumanScienceBiology
Investigate the theories surrounding cosmic dust bunnies and discover how the tiny particles could hold the key to the formation of life on Earth.

The mysterious origins of life on Earth

AdultsHistoryScienceWorldBiology
Where on Earth did life begin? Explore the hydrothermal vents in Earth’s crust as simple compounds gave way to complex life.

How do viruses jump from animals to humans?

AdultsBiologyHealthHumanScience
Discover the science of how viruses can jump from one species to another and the deadly epidemics that can result from these pathogens.

The Tiny Creatures You Didn't Know You Were Drinking

AdultsBiologyHealthHumanScience
Billions of tiny new friends. Just think of it like that...

The Bacteria That Made Life Possible Are Now Killing Us

AdultsBiologyHealthHumanScience
Thanks to the St. Croix Watershed Research Station for sponsoring this video!

Why Do We Cringe?

AdultsBiologyHumanPsychologyHumorSociety
I posted cringe, but it's educational!

Tiny Bombs in your Blood - The Complement System

AdultsBiologyHumanScienceHealth
One of the key players of our immune system is the complement system. An army of millions and trillions of tiny bombs, which work together in a complex and elegant dance to stop intruders in your body.

The Bacteria That Made Life Possible Are Now Killing Us

AdultsBiologyHumanLifeScienceHealth
Thanks to the St. Croix Watershed Research Station for sponsoring this video!

Can Aquaman Drown?

AdultsBiologyMediaScienceFilm
Even if you aren't a huge Aquaman fan, most people still know that he's a superhero that is capable of surviving and fighting crime both on land and underwater.

What Happens To Your Body If You Get Stabbed?

AdultsBiologyHealthHumanScience
The answer isn't just "YOU DIE"! *puts away katana*

How to Turn Cancer Against Itself

AdultsBiologyHealthHumanScience
This video was made in partnership with the Swiss National Science Foundation.

What makes TB the world's most infectious killer?

AdultsBiologyHealthHumanScience
Learn why tuberculosis, TB, is the world’s most infectious disease and how medical advancements are improving treatment.

How do crystals work? - Graham Baird

AdultsLifeNatureScienceBiology
What makes crystals grow into their signature shapes? Dig into the atomic patterns and unique properties of crystals.

Your body vs. implants - Kaitlyn Sadtler

AdultsBiologyHealthScienceBiotechnology
Why do medical implants like insulin pumps and prosthetic knees need replacement? Explore how the immune system fights implants and how new devices are trying to help.

What Happens To Your Memories After You Die?

AdultsBiologyLifeSciencePsychology
When we're no longer on this earth, what happens to all the memories in our heads? Do people remember their passing if they're brought back to life?