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,...
Bozeman Science
Kinetic Reaction Control
In this video Paul Andersen explains how a spontaneous process may take either the thermodynamically controlled or the kinetic controlled pathway. If the activation energy determines the path taken then the process is under kinetic...
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!
Bozeman Science
Q10 - The Temperature Coefficient
In this video Paul Andersen defines Q10 as the ratio between reactions at different temperatures. He then gives you an example of how it could be calculated. He also includes extensions of other scientific phenomenon that could created...
SciShow Kids
Why Can’t I Eat Peanut Butter?
Some people (maybe you!) can't eat certain foods because they're allergic to them. People can have an allergic reaction to almost any kind of food, or even other things, like bee stings! But all allergies have something in common: our...
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.
Crash Course
Medicinal Chemistry and Penicillin Total Synthesis: Crash Course Organic Chemistry
These days, we don't have to worry too much about meeting an early demise from ulcers, breaks in the stomach lining that could be fatal back in the early 1900s. This is because we have medicines to treat them, like proton pump...
SciShow
The Surprising Link Between Allergies and Suicide
Our mood is influenced in many ways by our environment, and researchers have discovered a possible connection between the pollen in our air and a rise in suicide.
SciShow
Hiding a Nobel Prize From the Nazis
To keep their solid gold Nobel Prizes away from the Nazis, James Franck and Max von Laue sent their medals to trusted colleague Niels Bohr. But when Germany invaded Denmark in 1940, the medals were no longer safe - so chemist George de...
SciShow
The 8 Smartest People of the Year: 2013's Nobel Winners
Hank profiles this year's Nobel laureates in science, whose achievements have helped us understand questions as small as how our cells transport materials, and as big as why matter exists at all.
SciShow
The Secrets Underneath Jupiter's Atmosphere
We’ve probed some 250 kilometers into Jupiter’s atmosphere, and that’s raised some new questions about the mysterious planet. And we’ve taken another important step in looking for life on Mars by using a common chemistry process for the...
SciShow
This Reaction Could Let Us Live on Mars
There is a chemical reaction discovered a century ago that could be the key to creating everything from fuel to shelter on Mars!
SciShow
Bacteria Could Someday Power Our Cell Phones
Unlike most living things, there are species of bacteria that can harness electrons directly and even shuttle them around from place to place like living wires.
SciShow
Why Does Cold Weather Kill Your Phone?
If you live in a cold climate, you might know the agony of trying to get your car started on a chilly winter morning, or standing helplessly by as your phone's battery level plummets. So why do cold weather and batteries seem to just not...
SciShow
Making Reactions Go Faster Since the 1700s | Great Minds: Elizabeth Fulhame
The chemical process of catalysis happens in a myriad of places in our modern world - from industry to inside your cells. Our knowledge of catalysis today springs from Elizabeth Fulhame, who over 225 years ago became the first person to...
SciShow
Do Brown Eyes See Better?
Since eye color is determined by chemical and structural differences in the eye, it seems logical that different eye colors see the world in different ways.
TED Talks
TED: The Axis of Evil Middle East Comedy Tour | Jamil Abu-Wardeh
Jamil Abu-Wardeh jump-started the comedy scene in the Arab world by founding the Axis of Evil Middle East Comedy Tour, which brings standup comedians to laughing audiences all over the region. He's found that, by respecting the "three...
SciShow
Space Exploration Isn’t Great for the Earth (But It Could Be)
Building and launching rockets to learn about other worlds hasn't been great for Earth, but environmental engineers are working on changing that legacy.
SciShow
Quick, Draw!: Doodling for Science
Google's fun new time-waster is actually a pretty advanced piece of Artificial Intelligence. And there's some (about 43%) good news about cement's carbon footprint this week!
Crash Course
Buffers, the Acid Rain Slayer: Crash Course Chemistry
In this episode, Hank talks about how nutty our world is via Buffers! He defines buffers and their compositions, talks about carbonate buffering systems in nature, acid rain, pH of buffers, and titration. Plus, a really cool experiment...
TED Talks
TED: How to transform the chemical industry -- one reaction at a time | Miguel A. Modestino
Chemical plants create many of the materials found in everyday items, from the shoes you wear to the car you drive to the cell phone in your pocket. But the massive carbon footprint from chemical manufacturing is leading to climate...
Crash Course
Intro to Substitution Reactions - Crash Course Organic Chemistry
Substitution reactions can have really powerful effects, both good and bad, in our bodies. You might remember substitution reactions as displacement reactions from general chemistry, but (you guessed it!) in organic chemistry they’re a...
SciShow
3 Ways Science Can Improve Your Pie
Happy Pi Day! We are huge fans of homophones here at SciShow, so we put together a whole bunch of fun facts and tasty tips about PIES! Get it?!
SciShow
Why Do Some Noises Make You Cringe?
The majority of us can probably agree that the sound of nails on a chalkboard is unpleasant, but why is that? Theories range from evolutionary survival mechanisms to the anatomy of the human ear. Find out more in this episode of SciShow!