SciShow
How Do Animals Re-Grow Limbs (And Why Can't We?)
Starfish can regrow lost arms, and salamanders can sprout new limbs. So why can't we? Sci Show explains the science of regeneration, and explores the limitations the humans face -- and are trying to go beyond.
SciShow
The Secret of Your "Junk," Revealed!
Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.
SciShow
5 Toxins Animals Steal For Themselves
Thievery is a known survival strategy in the wild. But you couldn’t steal a toxin...or could you? Meet 5 animals that turn someone else’s poison into their own weapon of choice. PORE-FORMING TOXINS 0:50 BIRDS-FOOT TREFOIL 2:45 SIX-SPOT...
SciShow
We Totally Missed a Different Kind of Dementia for Decades
A key part of treating a disorder, is identifying what it's not. It turns out what we thought was one form of dementia may be multiple problems.
SciShow
Nobels 2016 How Your Cells Stave Off Starvation
It’s Nobel Prize week 2016, which means it’s basically science Christmas!
TED Talks
Steve Ramirez and Xu Liu: A mouse. A laser beam. A manipulated memory.
Can we edit the content of our memories? It's a sci-fi-tinged question that Steve Ramirez and Xu Liu are asking in their lab at MIT. Essentially, the pair shoot a laser beam into the brain of a living mouse to activate and manipulate its...
TED Talks
Lee Cronin: Print your own medicine
Chemist Lee Cronin is working on a 3D printer that, instead of objects, is able to print molecules. An exciting potential long-term application: printing your own medicine using chemical inks.
TED-Ed
TED-Ed: Insights into cell membranes via dish detergent - Ethan Perlstein
The cell membrane, like a good jacket, protects the cell from everything outside of it. How is it simultaneously sturdy, flexible, and capable of allowing the right things to pass through? Ethan Perlstein rediscovers the scientists and...
SciShow
eDNA: How Scientists See Hidden Animals
How do you track turtles that spend most of their time in muddy water and also look like rocks? It turns out, scientists have found a way to track such hidden animals using eDNA.
SciShow
Why are We So Much Chubbier than Other Apes?
Chimpanzees and bonobos may be very close to us humans on the tree of life, but one of our differences is the way we store fat. That difference comes down to types of fat cells and our DNA.
SciShow
Can Your Cat Change Color?
Brown cats are something of a rarity, but you may have something pretty close.
TED-Ed
TED-ED: Licking bees and pulping trees: The reign of a wasp queen - Kenny Coogan
As the sun rises, something royal stirs inside a pile of firewood. It's the wasp queen; one of thousands who mated in late autumn and hibernated through the winter. Now she must emerge into the spring air to begin her reign. This queen...
SciShow
Stop Saying Sharks Will Cure Cancer
It seems like every time scientists learn something new about sharks, people wonder whether this new information will finally show us how sharks will cure cancer. There’s no doubt about it, sharks are awesome, but is there a magic cure...
SciShow
There's a Single-Celled Dog
Is it possible for there to be a dog that is made of one very determined cell?
SciShow
Researchers Reverse Alzheimer’s Memory Loss (in Mice) | SciShow News
As many as 50 million people worldwide may live with Alzheimer's and similar forms of dementia, and while we still don't understand a lot about it, scientists may be one step closer to an effective treatment.
SciShow
What If All Viruses Vanished?
In the past couple years, you may have found yourself wishing that all the viruses in the world just disappear. But be careful what you wish for...
Bozeman Science
The Synapse
In this video Paul Andersen gives an overview of the human urinary system. The system consist of the kidneys, ureters, bladder, and urethra. The kidneys excrete waste from the blood in urine. He explains how the nephron is responsible...
TED Talks
Jay Bradner: Open-source cancer research
How does cancer know it's cancer? At Jay Bradner's lab, they found a molecule that might hold the answer, JQ1. But instead of patenting it and reaping the profits (as many other labs have done) -- they published their findings and mailed...
SciShow
Immune NETs: What COVID and Snake Venoms Have in Common
When faced with threats ranging from snake bites to COVID infections, some white blood cells retaliate with a peculiar tactic: spewing out their own DNA to form pathogen-trapping nets. But research suggests that sometimes this...
TED-Ed
TED-Ed: What is the biggest single-celled organism? - Murry Gans
The elephant is a creature of epic proportions -- and yet, it owes its enormity to more than 1,000 trillion microscopic cells. And on the epically small end of things, there are likely millions of unicellular species, yet there are very...
SciShow
Ultra High-Tech Ways Scientists Might Defeat COVID-19
Scientists are trying a little bit of everything to fight the virus that causes COVID-19, but some researchers are harnessing more than just the usual virus-fighting repertoire, from tiny sponges to viral RNA-destroying bubbles.
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.
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...