SciShow
Could Life Have Survived in Mars's Ancient Lake?
Samples from the Curiosity rover suggest that Mars had a potentially habitable lake in its past, and gravitational lensing has helped scientists weigh a star!
SciShow
The Super Strong Painkiller Hiding in Your Spit
Scientists are uncovering the mysteries of a non-addictive painkiller... that lives in your mouth
TED-Ed
TED-Ed: How do oysters make pearls? | Rob Ulrich
Despite their iridescent colors and smooth shapes, pearls are actually made of the exact same material as the craggy shell that surrounds them. Pearls, urchin spines, the shells of mussels, snails and clams, even coral— all these...
SciShow
The Deep-Sea Snail with an Iron Shell
Deep in the Indian Ocean, scientists have discovered a snail whose feet are covered in iron scales, but how it builds these scales is a bit of a mystery.
Bozeman Science
Chemical Analysis
In this video Paul Andersen explains how chemical analysis is important in determining the composition, purity and empirical formula of a compound. An empirical formula determination problem is also included.
SciShow
Do Essential Oils Really Work? And Why?
What does the research say about what essential oils can actually do?
SciShow
Why Does Rain Smell so Good... to Bugs?
Humans love the smell after good rain, though we may not be the the target of the pleasing aroma. There's evidence the characteristic post-rain scent is used to lure arthropods to bacteria.
SciShow
Flavor Science: What's Really in a Pumpkin Spice Latte
If you take a look at an ingredients list, odds are you'll find natural and artificial flavors somewhere in there. Turns out there's a whole science to making your pumpkin spice latte taste like pumpkin spice, or your potato chips taste...
SciShow
10 Plants That Could Kill You
Learn about 10 plants that could kill you in SciShow’s first List Show!
SciShow
Curiosity’s Sequel, and the Key to Finding Alien Life
SciShow Space News shares the latest developments from around the universe, including the Curiosity’s arrival at its final destination, and new insights into what clues we should really be looking for in our search for alien life.
Crash Course
Alkyne Reactions Tautomerization - Crash Course Organic Chemistry
Carbon-carbon double bonds are pretty common in nature, but triple bonds between carbons, called alkynes, are not. When alkynes do pop up in nature, it’s usually in a compound that’s toxic to humans, however, we can synthesize alkynes...
SciShow
Why Does Salt Make Food Taste Better?
Salt doesn’t just make things salty! It has a lot of different effects on how we perceive flavors!
Crash Course
Synthesis, Distillation, & Recrystallization: Crash Course Organic Chemistry
We’re going back to the lab! So far we’ve learned some important lab techniques that organic chemists might use day to day, like chromatography and proton NMR, but there are even more to learn. In this episode of Crash Course Organic...
SciShow
How the Vitamins Got Their Names
The list of vitamins can be kind of confusing, what with all those B vitamins and a random K thrown in. But every name has its story.
TED-Ed
TED-ED: What can you learn from ancient skeletons? - Farnaz Khatibi
Ancient skeletons can tell us a great deal about the past, including the age, gender and even the social status of its former owner. But how can we know all of these details simply by examining some old, soil-caked bones? Farnaz Khatibi...
SciShow
How Do Turtles Live So Long?
We all know turtles live an amazingly long time, but what's their secret? And can we apply it to humans?
SciShow
Why We Have Pain, & How We Kill It
Hank makes it all better by explaining the biochemistry of pain -- how it works, why we have it, and how painkillers, whether they're over the counter or heavy-duty prescription bad boys, make the pain go away. Chapters View all...
SciShow
Why Does Rain Smell?
Almost everyone loves the smell of rain, but where does the smell come from? Join Quick Questions as we stop and smell the chemistry!
SciShow
3 Chemistry Experiments That Changed the World
Chemistry is the study of matter - stuff, and how it interacts with other stuff. Even though chemistry doesn't make a lot of news these days, chemists are making discoveries that change lives all the time. If Hank had to narrow down all...
SciShow
Stardust Discovery, and 2 Planetary Conjunctions
SciShow Space shares the latest developments from around the universe, including news about the first material ever collected from outside the solar system, and a backyard astronomers’ guide to two upcoming planetary conjunctions.
SciShow
We’re Teaching Robots and AI to Design New Drugs
It might sound like a concept from science fiction, but artificial intelligence is already facilitating the development process behind some pharmaceuticals.
TED-Ed
TED-Ed: How do vitamins work? - Ginnie Trinh Nguyen
Vitamins are the building blocks that keep our bodies running; they help build muscle and bone, capture energy, heal wounds and more. But if our body doesn't create vitamins, how do they get into our system? Ginnie Trinh Nguyen describes...
SciShow
5 Chemicals That Are in (Almost) Everything You Eat
Discover 5 key chemicals that we use to make our food taste the way it's supposed to taste, look the way we expect it to look, and generally survive the journey to our tables intact.
SciShow
Why Shouldn't You Take Medicine with Grapefruit Juice?
If you’ve taken prescription medication, have you ever noticed the strange disclaimer, "don't take with grapefruit juice"? There is a very good reason for that! Hank Green explains in this episode of SciShow Quick Questions!