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
How Studying Elephant Seals Could Treat Heart Attacks
Generally, when you think of carbon monoxide, nothing good comes to mind. And that’s… pretty reasonable. But elephant seals show us how we might be able to use carbon monoxide as an effective therapy for heart attacks and strokes.
SciShow
The 2015 Nobel Prizes!
Over the past few weeks, the Nobel committees have been announcing the 2015 laureates. This year’s winners in the physics and chemistry categories made discoveries about the tiny neutrinos flying through all of us, and the ways our...
TED-Ed
TED-ED: What are mini brains? - Madeline Lancaster
Shielded by our thick skulls and swaddled in layers of protective tissue, the human brain is extremely difficult to observe in action. Luckily, scientists can use brain organoids - pencil-eraser-sized masses of cells that function like...
SciShow
New Genetic Clues to the Mystery of Your Giant Brain
Big-brained scientists have found the mechanism that may have allowed their brains (and all humans') to get so big.
TED Talks
TED: Meet the scientist couple driving an mRNA vaccine revolution | Uğur Şahin and Özlem Türeci
As COVID-19 spread, BioNTech cofounders Uğur Şahin and Özlem Türeci had one goal: to make a safe, effective vaccine faster than ever before. In this illuminating conversation with head of TED Chris Anderson, the immunologists (and...
SciShow
Sleep: Why We Need It and What Happens Without It
What happens when you don't sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!
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...
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...
SciShow
Old Pill, New Trick
One team of researchers may has found a promising lead in the fight to cure or prevent Alzheimer's. And another team is helping us understand how Hydras regrow their heads.
TED Talks
TED: A roadmap to end aging | Aubrey de Grey
Cambridge researcher Aubrey de Grey argues that aging is merely a disease -- and a curable one at that. Humans age in seven basic ways, he says, all of which can be averted.
SciShow
5 Things That Make You a Mosquito Magnet
Every summer it seems like there’s that one person who always gets a lot of mosquito bites. But what makes people mosquito magnets?
SciShow
Editing Genes Inside the Human Body
We talk a lot about CRISPR and "designer babies" but the science of editing genes is varied and complex. This month, an adult man received billions of gene-editing viruses via an IV in an effort to treat a rare disease.
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...
TED Talks
The brain in love - Helen Fisher
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Why do we crave love so much, even to the point that we would die for it? To learn more about our very real, very...
TED Talks
Daniel Kahneman: The riddle of experience vs. memory
Using examples from vacations to colonoscopies, Nobel laureate and founder of behavioral economics Daniel Kahneman reveals how our "experiencing selves" and our "remembering selves" perceive happiness differently. This new insight has...
SciShow
3 Things Fish Shouldn't Be Able to Do
When you think of animals with awesome abilities, fish usually aren’t the first thing that come to mind, but there are a few species that have taken their adaptations to the extreme!
SciShow
SciShow Quiz Show: A Different Kind of Animal Wonders
Jessi from Animal Wonders gets a Quiz Show rematch against Hank. Will he prevail this time, or commit an animal blunder?
SciShow
Robot Surgeons and 4 Other Medical Advances That Sound Like Sci-Fi
Modern medicine is wonderful, but even in a world where open-heart surgery and brain-scanning headsets sound almost mundane, some medical advances do truly seem like science fiction. From robot-assisted microsurgery to reanimated organs,...
TED-Ed
TED-Ed: Can you solve the human cannonball riddle? | Alex Rosenthal
They call you the human cannonball. Your act involves flying through rings of fire, bouncing through a trampoline course, and catching the trapezist in the grand finale. Today's pre-flight test fails dramatically, and upon inspection,...
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 Talks
Susan Lim: Transplant cells, not organs
Pioneering surgeon Susan Lim performed the first liver transplant in Asia. But a moral concern with transplants (where do donor livers come from ...) led her to look further, and to ask: Could we be transplanting cells, not whole organs?...