PBS
Are We All Actually Archaea?
The unexpected discovery of an entirely new domain of life was pretty huge and surprising - even if archaea do just look like bacteria. But, in recent years, it’s been their connection to us that's turned out to be particularly full of...
SciShow
Thank Goodness for Chlamydia(e)
The group of bacteria known as Chlamydiae doesn't do much to endear itself to us since these bacteria can cause a variety of illnesses. But it turns out that we may have Chlamydiae to thank for life as we know it!
SciShow
Why Some Frozen Lakes Catch Fire
Did you know that, despite their serene, picturesque appearance, some frozen lakes can catch fire? Why are climate scientists studying the explosive gas bubbles trapped in lake ice?
SciShow
The Only Water on Earth Without Life
When it comes to water on Earth, life finds a way. Even in the hottest, most acidic, and saltiest waters in the world, odds are you'll find some kind of organism adapted to live in it. There is, however, a place with water so extremely...
SciShow
Pink Lake Mystery Solved!
Remember that episode we did on Australia’s Pink Lake? Well, we have a follow-up! Hank explains in this episode of SciShow News.
SciShow
Optogenetics: Using Light to Control Your Brain
Optogenetics may allow us to use light like a remote control for our brains, and treat diseases like retinitis pigmentosa.
SciShow
Why Some Frozen Lakes Catch Fire
Did you know that, despite their serene, picturesque appearance, some frozen lakes can catch fire? Why are climate scientists studying the explosive gas bubbles trapped in lake ice?
Amoeba Sisters
Classification
Explores classification in biology as well as taxonomy hierarchy: domain, kingdom, phylum, class, order, family, genus, and species with The Amoeba Sisters! This video also discusses the importance of scientific names and why...
SciShow
It's Official, Life Could Survive on Enceladus
Enceladus’ environment could totally be habitable for at least one real-world microbe and we just found the oldest supernova.
Amoeba Sisters
Prokaryotic vs. Eukaryotic Cells (Updated)
This Amoeba Sisters video starts with providing examples of prokaryotes and eukaryotes before comparing and contrasting prokaryotic cells with eukaryotic cells! Contents: 00:00 Intro 1:27 Modern Cell Theory 1:37 3 Domains (with examples...
Amoeba Sisters
Archaea
What is the domain Archaea? Explore the archaeans with the Amoeba Sisters! This introductory video compares and contrasts characteristics of Archaea with bacteria. Time-Stamped Table of Contents: 00:00 Intro 0:47 Extremophiles 1:00...
SciShow
Thank Goodness for Chlamydia(e)
The group of bacteria known as Chlamydiae doesn't do much to endear itself to us since these bacteria can cause a variety of illnesses. But it turns out that we may have Chlamydiae to thank for life as we know it!
Bozeman Science
The Three Domains of Life
Paul Andersen starts with a brief description of the history of life. He then discusses the seven characteristics of life and why viruses are not alive. He then describes the three domains in the current classification system and...
Bozeman Science
Archaea
In this video Paul Andersen describes the defining characteristics of members in the domain archaebacteria. He starts with a brief description of the phylogeny of this group. He then describes the major characteristics on an archaea,...
SciShow
The Baffling Viruses That Infect... Other Viruses
Scientists have discovered viruses that infect viruses... virusception, if you will. Does this mean viruses qualify as life yet? Or are they still hanging out in the misfits drawer with sporks and Pluto?
Amoeba Sisters
Autotrophs and Heterotrophs
Curious about modes of nutrition? Join the Amoeba Sisters in learning about autotrophs and heterotrophs. Video explains these terms as well as how their carbon source differs. Photoautotrophs, photoheterotrophs, chemoautotrophs, and...
Crash Course
Taxonomy: Life's Filing System - Crash Course Biology
Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.
Bozeman Science
Essential Characteristics of Life
Paul Andersen describes three main characteristics of life that are conserved in all organisms on the planet. The universal genetic code, the central dogma of biology, and shared metabolic pathways give us details of the original...
PBS
What Was the Ancestor of Everything?
The search for our origins go back to a single common ancestor -- one that remains shrouded in mystery. It's the ancestor of everything we know and today scientists call it the last universal common ancestor, or LUCA.
Crash Course
Old & Odd: Archaea, Bacteria & Protists - CrashCourse Biology
Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most...
Curated Video
Cell wall
A flexible or rigid boundary protecting a cell, outside the cell membrane. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Prokaryote
Organisms whose cells lack a nucleus and other membrane-bound structures. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Archaea
A type of prokaryotic organism lacking a cell nucleus, similar to bacteria but now considered as a domain in their own right. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Classification
The grouping of organisms into categories with similar features. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...