Why Petri Dishes Are The Best AND The Worst // TRAIN BRAIN

Why Petri Dishes Are The Best AND The Worst

Petri dishes are filled with nutrient agar and used as food for bacteria - but only a few species will actually grow on them. And if we can't grow them, then we can't study them either. Want to know more? Have a look at the linked video!

MinuteEarth

Science and stories about our awesome planet! Our staff: Lizah van der Aart, Sarah Berman, Cameron Duke, Arcadi Garcia, David Goldenberg, Melissa Hayes, Alex Reich, Henry Reich, Peter Reich, Ever Salazar, Leonardo Souza, Kate Yoshida and Jasper Palfree. ...

Why Don’t All Rivers Make Canyons?

Can We Kill Cancer By Copying It?

How These Bacteria Bridge Two Worlds

What Happens When Predators Disappear?

Why Petri Dishes Are The Best AND The Worst

Why Don't Snakes Poison Themselves?

Why Do Butterflies Bother Being Caterpillars?

How To Take A Dinosaur's Temperature

Why don't we eat Carnivores?

The Species That Broke Evolution?

Can Dogs Affect Our Health? ?

How To Avoid Getting Pulled Out To Sea

For some animals, poop is a regular part of the menu!

ALL Plants Have Color Vision?!

Why Monkeys Can Only Count To Four

The Truth About Petri Dishes ?

Do Memes Spread Like Diseases?

How Does Birth Control Work?

Honeybees have a secret weapon!

Are We Gaining Or Losing Languages?

Why Don't We Eat Carnivores?

Would you eat this Poop-Brownie?

Eclipse pun battle ??

It's A Great Time To Be A Black Bear!

Most Total Eclipses Happen North Of This Line

What’s Eating The Titanic?

Why Do All YouTube Videos Look Alike?

Who’s Eating All The Spiders?

Why Does Cement Spew So Much CO2?

Weird Things Animals Do During Eclipses

Perfumers LOVE whale poop!

5 Amazing Uses For Your Poop!

Inside The Sunny Center of a Hurricane

The Crabs Are Coming

The Never Ending Lightning Storm

Why Don't Electric Eels Shock Themselves?

The time I was a human incubator

Why Flushing Isn't For Everyone

Why Hurricane Paths Are WEIRD

Where The Weird Things Are

Underwater Animal Pollination | We NEVER saw it coming

Yes, this is how we know the Earth is slowing down

The Most Emo Tree

This Chemical Does Nothing, But It's Still Bad For You

Is Bigger Better?

The INCREDIBLE way these monkeys crossed the ocean

What Will Death Be Like In The Future?

Why Do People Hate Koalas?

Why Does Antarctica Have So Many Rocks From Space?

More Species Should Be Extinct

The Climate Change Equation

How Fish Get Away With Being So Colorful

Why Most Fossils Are Incomplete

The Ancient Tool With No Known Purpose

Why We Haven’t Learned More In 101 Years Of Trying

This Is Not A Bug

How Caffeine Accidentally Took Over The World

“Disease” Is Surprisingly HARD to Define

Why You Can’t Die Of Old Age

The Species With Three Types of Males

How Prions Destroy Your Brain

Why Do Heart Attacks Cause *Arm* Pain?

When Was The Worst Time In History To Die?

How this tree has survived 5000 years

The Horror of Nuclear Winter

Which Is Worse: Underpopulation Or Overpopulation?

What if We Replaced Nuclear With Potatoes

It took 80 Years And The World's Greatest Chemists

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

Mushroom Wars

How Many Trees Are Left To Discover?

The Plant You Don’t Have To Water

We Have No Idea Why

When 90dB is LOUDER than 120dB

Why Weather Forecasts Suck

Volcano VS Glacier

MinuteEarth Explains: Birds

How Do Abortion Pills Work?

Why Continents Are High

Our Lungs Have A Fatal Flaw

Why Do Heart Attacks Cause Arm Pain?