SciShow

Intro

The Sharpest Object In The World Can't Cut Anything

Why Can’t We Make New Stradivari Violins?

Why Can't We Farm These Foods Yet?

Why Does Smoke Follow You Around a Fire?

Chapters

Why There's a Straight Line Through Scotland

Understanding the Voices in Our Heads

An Ancient Roman Shipwreck May Explain the Universe

The Rarest Cancer in History (It's Also the Weirdest)

5 of the World's Most Dangerous Chemicals

Why Flies Die When They See Dead Flies

Will Humanity Ever Reach 1 on the Kardashev Scale?

Why Does Everything Decay Into Lead

We’ve Lost Control of AI

7 Organs You Could Totally Live Without

The Last Living Thing Won't Be a Cockroach

Why Do Humans Like to Get High?

This New Element is Lighter than Hydrogen. What?!?!

4 Parasites Too Creepy to Exist

4 Things We've Forgotten How to Make

I Had Chemo and My Hair Came Back Curly!

Why Y Chromosomes Won’t Be Around Forever

The Deepest Hole in the World, And What We've Learned From It

Why Bladeless Fans Are a Lie

Conclusion

6 Lonely Branches on the Tree of Life

Sugar Compilation

5 Times Scientists Gave Animals Drugs (and What They Learned)

8 Survival Myths That Will Definitely Make Things Worse

What Is the Autism Spectrum?

Your DnD Party is Too Big

6 Diseases That Have Shaped Human History

Ozempic Is Both Better And Worse Than You Think

3 Discoveries You Missed Because of COVID

Top 5 Deadliest Substances on Earth

There are More Than Two Human Sexes

This Diagram of Earth Is a Lie

Earwax, Butt Hair, and Other Weird Human Attributes

How Baboons Led Us to a Lost Civilization

How Not Sleeping Actually Kills You

5 Things That Make You a Mosquito Magnet

7 Animals We Used to Think Were Extinct (But Aren't!)

The Sex Lives of Early Humans

Why Do Bats Carry So Many Dangerous Diseases?

These Insects are Smaller than a Single Cell...How?!

Why Haven't We Eradicated Polio?

Why Do People Have Periods When Most Mammals Don't?

Why Do People Say We've Reached the End of Physics?

4 Ways Humans Are Still Evolving