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Journey to the Microcosmos Season 4

February. 22,2021
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5
| Documentary
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Take a dive into the tiny, unseen world that surrounds us! With music by Andrew Huang, footage from James Weiss, and narration by Hank Green, we want to take you on a fascinating, reflective journey through the microcosmos.

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Journey to the Microcosmos Season 4 Full Episode Guide

Episode 25 - The Gruesome Tale of the Hitchhiking Parasite
Episode 24 - Where Is This Anemone Really From?
Episode 23 - These Algae Curl Up Into a Ball When They Get Stressed Out
Episode 22 - Revealing the Hidden Colors of the Microcosmos
Episode 21 - The Secret Things Living In Your Drains
Episode 20 - We Dipped Our Lens in Oil to See More Detail
First Aired: July. 13,2021

Oil immersion is an interesting and complex microscopy tool.

Episode 19 - The Beautiful, Brutal Tentacles of Hydra
Episode 18 - Unsolved Mysteries of the Microcosmos
First Aired: June. 28,2021

Sometimes we come across microbes that we just can't learn much about, or that don't fit into a larger story. So, this week we're sharing a few of those mysterious microbes with you.

Episode 17 - We Upgraded Our Microscope... Again!
Episode 16 - Some Eggs Don't Need Sperm to Make Babies
Episode 15 - Flinching Saves Lives in the Microcosmos
Episode 14 - Looking at Tardigrade Sperm and Other Reproducing Swimmers
First Aired: May. 31,2021

Original Title: Tardigrade Sperm and Other Reproducing Swimmers Not all hypotheses need to be good. In fact, many of them are terrible. It’s just that when you’re trying to understand the world, you might find yourself believing that there are tiny humans living inside the heads of sperm, and we're here to tell you, that's not how it works.

Episode 13 - The Diversity of Shapes in the Microcosmos
First Aired: May. 17,2021

From trumpets and spirals to floral arrangements, single cell organisms take on many strange and unique shapes. But they don't look like that just for fun, their shapes can help them with movement, hunting, and even defending themselves.

Episode 12 - Bursaria: Giant Gravity-Sensing Vacuums
First Aired: May. 11,2021

The big Roomba of the microcosmos is fascinating to watch as it lives its sink or swim life.

Episode 11 - We Found a Super Rare Microbe!
First Aired: May. 03,2021

After over three years of searching for it, our Master of Microscopes has found a Spirostomum semivirescens!

Episode 10 - The Chaotic Life of Seashore Ciliates
Episode 9 - The Fantastic Feet of the Microcosmos
Episode 8 - Leeuwenhoek: The First Master of Microscopes
Episode 7 - How Diatoms Build Their Beautiful Shells
Episode 6 - Heliozoa: Round, Sticky, and Covered in Spikes
Episode 5 - Your Screen Is Covered In Human Blood
Episode 4 - Getting to Know Our Single-Celled Ancestors
Episode 3 - Becoming Your Own Baby Through Conjugation
Episode 2 - How Do Microorganisms Pee?
Episode 1 - Can Algae Fuel Our Cars?
First Aired: February. 22,2021

As the search for alternative energy sources continues, scientists are looking to the microcosmos and wondering: Can we use algae oil to power our cars, our airplanes, and maybe even our spaceships?

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