Journey to the Microcosmos
We Filmed Tardigrade Sex!
In our Season 2 debut, we're diving back into the world of our favorite little water bear friends!
Catalyst University
The Kirby-Bauer Method for Antibiotic Susceptibility (with examples)
In this video, we discuss the theory of the Kirby-Bauer Method for for qualifying antibiotic susceptibility. We also work through some examples.
Catalyst University
Microbiology: Phenylalanine Deaminase Test
Microbiology: Phenylalanine Deaminase Test
Journey to the Microcosmos
The Microbe That's Big Enough to Pet
The Microbe That's Big Enough to Pet
Professor Dave Explains
The History of Microscopy
After completing a fairly extensive survey of bacterial and viral pathogens, it's time to learn about some other more general microbiology concepts. What better place to start than the indispensable tool of the microbiologist, the...
Journey to the Microcosmos
Lacrymaria: Vicious Long-Necked Predators
Lacrymaria: Vicious Long-Necked Predators
Journey to the Microcosmos
Suctorians: The Ugly Duckling of Ciliates
Suctorians The Ugly Duckling of Ciliates
Journey to the Microcosmos
We Recorded Too Much Slow Motion Footage So Here's a Bonus Video
We Recorded Too Much Slow Motion Footage So Here's a Bonus Video
Journey to the Microcosmos
Meet the Microcosmos
Join us on the first episode of Journey to the Microcosmos as we 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 hope to take you on a...
Journey to the Microcosmos
Actinobolina: A Tiny Predatory Porcupine
It may not be the super rare tentacled ciliate we were looking for, but it's still a really cool super rare tentacled ciliate!
Journey to the Microcosmos
Bacteria That Only Want To Head North
When James first saw these bacteria, all he knew is that they came from a sample taken from a Portuguese beach. And on the slide, the bacteria were swimming in a stark line. And that gave James an idea. He took out his phone and opened...
Journey to the Microcosmos
The Terrifying Viruses of the Microcosmos
Even in the microcosmos, it's important to stay inside if you want to avoid a virus.
Journey to the Microcosmos
How Do Microorganisms Poop Without a Butthole?
Everybody poops, but how does one poop when one does not have a butthole?
Journey to the Microcosmos
Death in the Microcosmos
Death is inevitable and mysterious, even in the microcosmos. Stentors, heliozoans, and yes, even tardigrades, experience death in many different ways.
Catalyst University
Microbiology Lab | Starch Hydrolysis Test (via Amylase)
Here we look at the reaction and results of the Starch Hydrolysis Test in Microbiology Lab.
Journey to the Microcosmos
The Spatula-Shaped Ciliate Family
The family Spathidiidae is made up of around 20 genera, which encompass around 250 known species. And there’s a lot of variety in the Spathidiid family to sort through.
Journey to the Microcosmos
The Many Ways Microbes Eat, Get Eaten, and Poop | Compilation
This is a world where microbes are both residents and food, which means that occasionally, we’ll have to spend our time together watching organisms, whose bodies are fractions upon fractions upon fractions of a millimeter in size, turn...
Journey to the Microcosmos
What Humans and Stentors Have in Common
This week, we're diving back into the world of Stentors to find out what humans and Stentors have in common!
Journey to the Microcosmos
Stentors Single-Celled Giants
It's time to meet a single-celled organism that is bigger than a tardigrade! We'll learn how Stentors reproduce, why they look like trumpets, and why some of them are just SO BLUE!
Journey to the Microcosmos
How Many Cells Are in a Microscopic Animal?
We’re starting this episode out with a question that we’re never going to have a good answer for: how many cells do animals have? How could we ever hope to count all those cells in each of those animals? And how could we even begin to...