There’s a question to consider that’s pretty daunting: what is life?

And to try to answer that question, three tools stand out as being especially useful: A book, some experiments, and the microscope! In this episode, Hank talks to...

Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of...

Virus hunter Nathan Wolfe is outwitting the next pandemic by staying two steps ahead: discovering deadly new viruses where they first emerge -- passing from animals to humans among poor subsistence hunters in Africa -- before they claim...

Science is about more than just finding immutable laws of nature. It’s about having the imagination to try things and ask questions that might not necessarily lead anywhere, but that just… feel right.

These particular little green organisms show up in the background of other organism’s lives, providing pops of color among other debris. What you are looking at is not a single organism, but rather a gathering of them. Those green bits...

If we were to write a fable to get this moral across, it would have to star the freshwater cnidarian called the hydra. Because in the hydra, the question of butts connects to the ambiguities of immortality, which in turn relates to the...

The microcosmos is home to many unusual partnerships. Life is, after all, just relationships, each of which build upon one another like strokes of paint in an epic tableau of ecology, epidemics, and yogurt?

When you think of bees, you probably don’t think of single-celled eukaryotes. What could an insect have in common with, say, a ciliate?

In the middle of the 19th century, a scientist stared into the microscope and found, staring back at him, a vampire.

If you have been following Journey to the Microcosmos for some time, this might sound like a familiar story. Consider this a proper slasher movie sequel.

In May 2013, a shipment of around 1.5 tons of seemingly normal cheese was refused entry into the United States. And while looks wise there was nothing suspicious, according to the Food and Drug Administration, this shipment of cheese...

James, our master of microscopes, seems like a tough person to get a gift for. What do you get the person who has the entirety of the microcosmos available to him with just a glimpse through a lens?<br/>

One thing we’ve heard from many of you is that this show is your sleep show, that soothing bit of media you put on when you need to slow down your brain and drift off. We take that as a huge compliment. It’s nice to know we can be a...

"Correction: 03:09 Leafy liverworts are estimated to make up the majority of the diversity of liverwort species."

"Correction: 05:08 Not all thalloid liverworts have gemma cups, and there are leafy liverworts that use gemmae for...

Do you know what’s in your water? Do you know what’s buried deep in those depths?

When James, our master of microscopes, was looking through samples he’d received from Spain, he didn’t expect to see this—a creature straight out of a horror movie, with dark reddish brown eyes and tentacles streaming out of its...

Haemolysins are exotoxins produced by bacteria that lyse red blood cells. The haemolytic reaction can be visualized on blood agar plates. This media is used for cultivation of fastidious organisms and studying haemolytic reactions. It...

Gram staining is a differential staining method that classifies bacteria as Gram-positive (purple) or Gram-negative (red) based on their cell wall structure and composition. Gram-positive bacteria retain crystal violet due to a thick,...

XLD agar (Xylose Lysine Deoxycholate agar) is a selective and differential medium used primarily for isolating and differentiating Salmonella and Shigella species. It differentiates organisms based on xylose fermentation, lysine...

Biochemical test- Coagulase test principle Requirement- 1 in 10 citrated plasma (citrated to present auto-coagulation in absence of coagulase enzyme) Principle Coagulase is an enzyme produced by S. aureus that converts (soluble)...

Ames test was developed by Bruce N. Ames in 1970s to test for determining if the chemical is mutagens. Ames test it is a biological assay to assess the mutagenic potential of chemical compounds. It utilizes bacteria to test whether a...

Viruses and bacteria have their own set of characteristics that distinguish them. But what are those differences? Well, in this video, we will cover the main differences between those 2 groups of microbes.

Have you ever wondered who discovered the first virus? And how was it discovered? The topic 'viruses' has been a popular one in the past 2 years. And not for a good reason! This video will not talk about the Voldemort of all viruses,...

An extract of certain species of red seaweed that's used as a gelling agent in microbiology and food preparation.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...