SciShow
The Woman Who Saved the World
On her way to winning the 2023 Nobel Prize for her pioneering work on mRNA vaccines, Katalin Karikó lived a life made for the big screen.
SciShow
How Does Chickenpox Turn Into Shingles?
You might know that chickenpox and shingles are both caused by the same virus, varicella zoster. Here's why the symptoms, and even the vaccines, are different the second time around.
SciShow
How One Disease Changed What We Know About Medicine - Twice
Searching for a cure for rickets led to the discovery of vitamin D. Fortifying foods with vitamin D led to another disease, and a whole new way to view genetic disease in general.
SciShow
Why It Actually Took 50 Years to Make COVID mRNA Vaccines
The FDA recently approved two mRNA vaccines for COVID-19, but it was a challenge to make this type of vaccine work. And it took decades of research to get us to the point where scientists could make those vaccines as quickly as they did.
SciShow
Cephalopods Have a Totally Wild Way of Adapting
With their squishy bodies and color-changing abilities, octopuses and other cephalopods already look like our planet’s resident aliens. But researchers have discovered yet another thing that separates them from most other animals on...
SciShow
Why Do Corgi Mixes Always Look Like Corgis?
Humans have had a soft spot for these furry little mutants ever since our friendship with dogs began, but why is it that Corgi mixes often just look like a Corgi that’s wearing a costume?
SciShow
How Do mRNA Vaccines Work?
Two of the vaccines we have for COVID-19 have the distinction of being the first mRNA vaccines to see widespread use in humans. But how do they work, and how are they different from the litany of immunizations you probably got as a kid?
SciShow
How Ancient Viruses Might Have Changed Our Brains
Recent discoveries about the Arc protein have shown that its function and origin may be even more complicated than scientists originally thought.
SciShow
Cephalopods Have a Totally Wild Way of Adapting
With their squishy bodies and color-changing abilities, octopuses and other cephalopods already look like our planet’s resident aliens. But researchers have discovered yet another thing that separates them from most other animals on Earth!
TED Talks
TED: The tiny balls of fat that could revolutionize medicine | Kathryn A. Whitehead
What if you were holding life-saving medicine ... but had no way to administer it? Zoom down to the nano level with engineer Kathryn A. Whitehead as she gives a breakdown of the little fatty balls (called lipid nanoparticles) perfectly...
SciShow
Why It Actually Took 50 Years to Make COVID mRNA Vaccines
The FDA recently approved two mRNA vaccines for COVID-19, but it was a challenge to make this type of vaccine work. And it took decades of research to get us to the point where scientists could make those vaccines as quickly as they did.
TED Talks
TED: The breakthrough science of mRNA medicine | Melissa J. Moore
The secret behind medicine that uses messenger RNA (or mRNA) is that it "teaches" our bodies how to fight diseases on our own, leading to groundbreaking treatments for COVID-19 and, potentially one day, cancer, the flu and other ailments...
SciShow
The Truth About COVID Vaccines and Emergency Use Authorizations
The news of several promising COVID-19 vaccines over the past few weeks has been very exciting, but so far, none have received emergency authorization for general use in the US. We'll talk about what that means, and also, why these...
TED-Ed
TED-ED: RNAi: Slicing, dicing and serving your cells - Alex Dainis
RNA, the genetic messenger, makes sure the DNA recipe gives your cells exactly what they ordered. But sometimes that means inhibiting some other RNA that got the recipe wrong. This process is called RNA interference (RNAi), and it acts...
SciShow
How The One-Shot COVID Vaccine Changes Things
The Johnson & Johnson COVID-19 vaccine is now the third approved for emergency use authorization in the United States, and it's a little different from its predecessors.
Amoeba Sisters
Protein Synthesis (Updated)
Explore the steps of transcription and translation in protein synthesis! This video explains several reasons why proteins are so important before explaining the roles of mRNA, rRNA, and tRNA in the steps of protein synthesis! Expand...
Bozeman Science
LS3A Inheritance of Traits
In this video Paul Andersen explains the importance of DNA is organisms. DNA contains the blueprint for each organisms. The DNA codes for the mRNA which creates proteins. The DNA also is the unit of inheritance which is passed from...
SciShow
Why Do Corgi Mixes Always Look Like Corgis?
Humans have had a soft spot for these furry little mutants ever since our friendship with dogs began, but why is it that Corgi mixes often just look like a Corgi that’s wearing a costume?
TED-Ed
TED-Ed: How the COVID-19 vaccines were created so quickly | Kaitlyn Sadtler and Elizabeth Wayne
In the 20th century, most vaccines took over a decade to research, test, and produce. But the vaccines for COVID-19 were cleared for emergency use in less than 11 months. The secret behind this speed is a medical technology that's been...
Amoeba Sisters
DNA vs RNA (Updated)
Why is RNA just as cool as DNA? Join the Amoeba Sisters as they compare and contrast RNA with DNA and learn why DNA should be sharing the limelight! Table of Contents: 00:00 Intro 0:54 Similarities of DNA and RNA 1:35 Contrasting DNA and...
Amoeba Sisters
Mutations (Updated)
Join the Amoeba Sisters as they explain gene and chromosome mutations, and explore the significance of these changes. This updated video has improved audio and images! Codons and the amino acids they code for is represented by standard...
SciShow
High-Tech Ways Genomics is Changing Field Biology
To figure out an organism's genome and DNA sequence, field biologists need big, expensive equipment in the labs. But, new high-tech devices help scientists to examine samples on the sites!
Bozeman Science
Epigenetics
Paul Andersen explains the concepts of genetics. He starts with a brief discussion of the nature vs. nurture debate and shows how epigenetics blurs this distinction. He explains how differentiation of cell types results from the...
Crash Course
DNA, Hot Pockets, & The Longest Word Ever: Crash Course Biology
Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins.