SciShow
Lime Disease How a Fruity Drink Can Give You a Rash
Furanocoumarins, the evolutionary weapons of certain plants (including limes), can ruin your vacation, or cause caterpillars to curl leaves. Find out why in this episode of SciShow!
SciShow
7 Science Illustrators You Should Know
Long before we had cameras scientists still needed visual documentation—enter the science illustrator! Chapters VITRUVIAN MAN Credit: Leonardo da Vinci 0:34 ANDREAS VESALIUS 1:25 DE HUMANI CORPORIS FABRICA 1:59 MARIA SIBYLLA MERIAN 2:39...
SciShow
Can You Really Die of Old Age?
Even though age can contribute to someone’s death, it almost definitely won’t be the direct cause.
Be Smart
Where Do Teeth Come From?
Teeth. We've all got 'em (most of us, anyway). But how do they grow? Teeth are made from some biological nanotechnology that will blow your mind. They are strong enough to last hundreds of millions of years. Oh, and if you've ever...
SciShow
5 Scientists with Ideas That Nobody Believed ... Who Were Right
People have struggled to understand some hypotheses scientists had, which are correct but were disclaimed back then. So here’s the 5 scientists and their ideas that nobody believed. Chapters 0:00 0:07 0:15 0:23 0:30 0:38
SciShow
Cannibalism, Zombies & Suicidal Cells: The Latest In Cancer Research
Hank shares some developments in cancer research, from new insights into the behavior of zombie cancer cells, to a new method that uses nanotechnology to kill cancer from within.
SciShow
The Link Between Zebra Stripes and Sand Dunes | Natural Patterns
Stripes! Hexagons! They're everywhere! These patterns in nature might seem like aesthetic coincidences, but they are actually the result of physical process that show up again and again, even in otherwise unrelated phenomena.
SciShow
Dendritic Cells: Scishow Talk Show
Hank and PhD Candidate Joanna Kreitinger discuss research being performed on dendritic cells in relation to the immune system. Later, Jessi from Animal Wonders joins to show us the emperor scorpions.
Crash Course
The Nervous System, Part 1: Crash Course A&P
Today Hank kicks off our look around MISSION CONTROL: your nervous system. -- Table of Contents: Sensory Input, Integration and Motor Output 1:36 Organization of Central and Peripheral Systems 2:16 Glial Cells 3:54 Role, Anatomy and...
SciShow
Remote Control Brain Receptors
We have a powerful way to study how brains work thanks to a relatively new technology called chemogenetics. With chemogenetics, scientists can give an injection to mice that turns specific parts of their brains on or off!
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
6 Parasites That Live INSIDE Cells
When you think "parasite," you might think of leeches or some nasty tape worm, but there are some that can live inside your very own cells. Chapters Plasmodium 0:56 Rickettsia 2:49 ROCKY MOUNTAIN SPOTTED FEVER 2:59 Legionella 4:09...
SciShow
6 Stupid and Dangerous Things Scientists Did to Themselves
From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.
SciShow
3 of the World's Most Intensely Colored Living Things
For most living things the color you see when you look at them is determined by pigments. But some of the most vivid colors we see in nature get their signature looks WITHOUT colorful molecules. How do these intense colors get their power?
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!
SciShow
3 Extreme Ways Trees Survive the Winter
Animals have all kinds of adaptations to help them get through winter, from hibernation to boots and hats. But trees have to make it through the coldest months of the year alive, too, and they've developed some pretty extreme ways to do it!
SciShow
The Chromosomes Hiding in Specks of Lint
Tiny versions of chromosomes show up in things like birds, reptiles, and amphibians. These mysterious lint-like flecks may be the building blocks for our entire genomes.
SciShow
Are Antioxidants Actually Good for Anything?
There's evidence that antioxidant-rich diets have health benefits in humans, but the antioxidant chemicals and enzymes seem to be only part of the puzzle.
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
The Surprisingly Useful Medicines Hiding in Pee
Your urine is mostly water, but hidden in there are trace amounts of some very useful stuff!
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.
TED-Ed
TED-Ed: How turtle shells evolved... twice - Judy Cebra Thomas
Check out the fascinating science behind the evolution of the turtle shell, over 260 million years in the making. -- Modern turtle shells are almost as diverse as the turtles themselves. Sea turtles have flatter, lighter shells for...
SciShow
Why Does COVID-19 Have So Many Symptoms?
For a respiratory disease, COVID-19 sure seems to affect more than just the respiratory system. Scientists think the receptor ACE2 is to blame.
SciShow
This Worm-y Critter Is (Probably) Our Oldest Ancestor | SciShow News
Newly described wormlike fossils dating back over half a billion years might be our oldest ancestors, and researchers have mapped and visualized the physical structure of the microscopic communities growing on human tongues!