SciShow
The Unsung Scientist Behind the Building Blocks of DNA | Marie M. Daly
Our understanding of both clogged arteries and the building blocks of DNA are thanks to the groundbreaking work of Dr. Marie M. Daly, the first Black woman in the U.S. to receive a Ph. D. in chemistry.
Crash Course
Carbon... SO SIMPLE: Crash Course Biology
And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis?...
SciShow
Does Medicine Actually Expire?
Expired medicine might seem like a weird concept because a lot of it doesn’t get moldy or slimy like old food. Is it really a big concern?
SciShow
The Secrets Hidden in Your Tears, Earwax, and Other Secretions
Our various secretions - from tears to earwax - can tell us more about our bodies than you might think!
MinuteEarth
Where Do Our Drugs Come From?
The incredible chemical weapon-making abilities of fungi, bacteria, and plants have created a diverse array of compounds that are useful to humans.
SciShow
Using Devil's Milk to Kill Superbugs
Scientists are turning to unusual places to find new compounds to fight off drug-resistant “superbugs.” The discovery came from milking ferocious mammals!
TED-Ed
TED-ED: Could a breathalyzer detect cancer? - Julian Burschka
How is it that a breathalyzer can measure the alcohol content in someone’s blood, hours after they had their last drink, based on their breath alone? And could we use this same technology to detect disease by analyzing a person’s breath,...
TED-Ed
TED-Ed: Why don't poisonous animals poison themselves? - Rebecca D. Tarvin
Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs, the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous, harpoon-like...
SciShow
Cosmic Cocktails Oxygen and Alcohol in Space!
Scientists studying Comets 67P and Lovejoy have discovered oxygen, alcohol, and the building block of sugar. Sounds like a regular Friday night on earth, but it’s the first time we’ve found any of these things on a comet.
SciShow
Blue Is Pretty Special: How Nature Gets the Blues
It's really difficult for life to create blue pigments, but the color can appear in a handful of compounds that create just the right conditions to reflect blue photons.
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!
TED-Ed
TED-Ed: Poison vs. venom: What's the difference? - Rose Eveleth
Would you rather be bitten by a venomous rattlesnake or touch a poisonous dart frog? While both of these animals are capable of doing some serious damage to the human body, they deliver their dangerous toxins in different ways. Rose...
TED-Ed
TED-Ed: Could comets be the source of life on Earth? - Justin Dowd
While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino acids, the building blocks of life on Earth. Justin Dowd explores the implications...
SciShow
Curiosity Found Organic Molecules on Mars! Now What
Last week, NASA released some pretty cool Mars news: Curiosity found even more evidence to indicate the planet could’ve been habitable billions of years ago.
SciShow
How Carl Sagan Predicted Nuclear Winter
Carl Sagan predicted some amazing things including the aftermath of nuclear war.
SciShow
What Saturn’s Rings Tell Us About Its Soupy Core
The insides of the our gas giant friend, Saturn, might be less of a mystery now that we’ve figured out how to use its rings to indicate its internal makeup. And the light emitted from some very old, very hungry black holes could be...
SciShow
These Birds Smell Like Tangerines
On remote, rocky North Pacific islands, you may find a cute little bird that just so happens to smell like tangerines.
SciShow
The Fate of Boaty McBoatface & UAE Wants to Build a Mountain!
Welcome back to SciShow News! The internet has spoken and it shall be "considered'. . .Boaty McBoatface will be bestowed upon a drone ship aboard the RRS Sir David Attenborough. That and the UAE are planning on building a mountain!
TED-Ed
TED-Ed: If superpowers were real: Body mass - Joy Lin
What if manipulating body mass wasn't just the stuff of epic comic book stories? Is it scientifically possible to manipulate your body mass? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic...
SciShow
The Many Functions of Fungi | Compilation
There’s no denying that fungus is all around us all the time. And not all of it is helpful, but neither is all of it harmful. Here are some of the many functions of fungi.
SciShow
The Truth About Asparagus and Your Pee
An astonishing amount of research has gone into the question of whether asparagus really makes your urine smell funny. Sci Show explains it all inside!
SciShow
The Gulf of California's Upside-Down Mirror Pools | Weird Places
For upside-down mirrors, super hot volcanic chimneys, and neon rocks with living microorganisms, look no further than the Guaymas Basin in the Gulf of California.
SciShow
A Smelly Comet and a Record-Breaking Skydive
SciShow Space News gives you a whiff of comet 67P, and takes you through a record-breaking skydive from an altitude five times the height of Mount Everest.