SciShow
How We Feel Pain, From Peppers to Pressure
We didn't understand how our bodies processed pain until recently. From hot peppers to slamming your hand in a drawer, recent research suggests that pain from various sources can be processed in a surprisingly similar way.
Bozeman Science
Evolutionary Significance of Cell Communication
Paul Andersen describes how cell communication is used in both single-celled and multicellular organisms. He starts by describing the symbiotic relationship between the bobtail squid and the bacteria Vibrio fisheri. He explains how...
TED Talks
Juan Enriquez: The age of genetic wonder
Gene-editing tools like CRISPR enable us to program life at its most fundamental level. But this raises some pressing questions: If we can generate new species from scratch, what should we build? Should we redesign humanity as we know...
SciShow
Why Does the Ocean Smell Like That?
What gives the ocean its distinct, sometimes pungent smell? It turns out the answer is more than just dead fish or salt: it’s the scent of tons of phytoplankton being munched on!
MinutePhysics
What is the Purpose of Life? (Big Picture Ep. 5/5)
This video is about how life arose and what its main function or purpose in the universe seems to be. Thanks to Sean Carroll for collaborating on it! This video is about how life arose and what its main function or purpose in the...
TED Talks
Mina Bissell: Experiments that point to a new understanding of cancer
For decades, researcher Mina Bissell pursued a revolutionary idea -- that a cancer cell doesn't automatically become a tumor, but rather, depends on surrounding cells (its microenvironment) for cues on how to develop. She shares the two...
SciShow
The Science of Dank Memes
Since you're on YouTube, you probably know what a meme is; but what is it really and how does it go viral?
TED Talks
TED: What the sugar coating on your cells is trying to tell you | Carolyn Bertozzi
Your cells are coated with sugars that store information and speak a secret language. What are they trying to tell us? Your blood type, for one -- and, potentially, that you have cancer. Chemical biologist Carolyn Bertozzi researches how...
TED-Ed
TED-Ed: The Prison Break | Think Like A Coder, Ep 1 | Alex Rosenthal
This is episode 1 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
TED Talks
Danny Hillis: Back to the future (of 1994)
From deep in the TED archive, Danny Hillis outlines an intriguing theory of how and why technological change seems to be accelerating, by linking it to the very evolution of life itself. The presentation techniques he uses may look...
SciShow
What Do We Know About T Cells and COVID-19 Immunity? | SciShow News
There's another theory about the Covid-19 pandemic going around, and while it is pretty cool, it's not exactly the solution some are suggesting it might be.
SciShow
What Squids and Frogs Taught Us About How Brain Cells Talk
Back in the early days of neuroscience, we didn't study the animals you might expect to learn about how brain cells communicate.
SciShow
The First Gene-Edited Babies Are Here, Like It or Not | SciShow News
A researcher in China used the gene editing technique known as CRISPR to change the DNA of human embryos. Hank unpacks why this is being universally condemned by scientists.
SciShow
How to Reprogram a Brain Cell
In Parkinson's disease, certain kinds of neurons die over time, but it might be possible to reprogram other types of cells in the brain to replace those lost ones.
TED Talks
TED: Making matter come alive | Lee Cronin
Before life existed on Earth, there was just matter, inorganic dead "stuff." How improbable is it that life arose? And -- could it use a different type of chemistry? Using an elegant definition of life (anything that can evolve), chemist...
TED Talks
Laura Rovner: What happens to people in solitary confinement
Imagine living with no significant human contact for years, even decades, in a cell the size of a small bathroom. This is the reality for those in long-term solitary confinement, a form of imprisonment regularly imposed in US prisons. In...
SciShow
7 Species That Really Are What They Eat
There are creatures who get some super important and recognizable part of their biology from their diets.
Bozeman Science
LS1B - Growth and Development
Paul Andersen answers the following question: How do organisms grow and develop?
SciShow
Chimera Cats and Your Mom
Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be
SciShow
How Do Desensitizing Toothpastes Work?
Do popsicles give you toothaches? Do you wonder why that special toothpaste makes it all better? We've got you covered!
SciShow
Attack of the Super Bugs
Don't panic! But you should really know about antibiotic-resistant bacteria, aka super bugs. They're here, and they're doing very well, thank you. SciShow explains what they are, how they're getting around our best drugs, and what...
TED-Ed
TED-Ed: How do nerves work? - Elliot Krane
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.
SciShow
Resurrection Biology: How to Bring Animals Back From Extinction
We've all seen the movies and heard the hype: But is it really possible to bring back animals that have gone extinct? If so, how? And how soon? And can I have a mammoth to ride around in my backyard? Hank explains the latest research...
SciShow
North Americas Lost Parrot
When you picture a parrot, you probably don’t picture Denver, but up until about a century ago, the United States was home to its very own species of parrot: the Carolina parakeet. What happened to this endemic bird?