TED-Ed
TED-Ed: How do gas masks actually work? | George Zaidan
You might think of gas masks as clunky military-looking devices. But in the near future, we may need to rely on these filters as part of our everyday lives. In addition to emerging diseases, wildfire frequency has more than tripled, and...
SciShow
Why City Birds Love Cigarettes
Urban birds like house finches and house sparrows are great at finding materials to repel pests and parasites from their nests. Unfortunately, one of those materials is used cigarette butts.
TED-Ed
TED-Ed: How the water you flush becomes the water you drink | Francis de los Reyes
In 2003, Singapore's national water agency launched an unprecedented program to provide more than 50% of their nation's water supply by recycling wastewater. The program had been planned for decades to ensure the island nation never ran...
SciShow
Your Fridge Isn’t Green, but It Could Be
Refrigeration and air conditioning are among the largest sources of carbon, and the refrigerants we use are greenhouse gases, too. But green refrigerants are on the way, from elastocaloric cooling to a method a bit like salting an icy road.
MinuteEarth
We Have No Idea Why
Most animals on earth are bioluminescent, but almost all of them live in the ocean - and scientists aren’t sure why.
SciShow
Can Dogs Smell Fear?
We're taught to be cool around strange dogs because they smell fear, and that might be true, but your fear is probably freaking them out too!
SciShow
Your Bones Do More Than You Think
Bones, you probably have them and they're for more than holding your body upright.
SciShow
Why Do Old Books Smell So Good?
Musty, with hints of vanilla, coffee, and maybe fresh cut grass-- why do old books smell the best?
SciShow
Can Houseplants Improve Air Quality?
We all have that coworker who insists that the houseplants on their desks are improving the office air quality, but is there any truth to that? Hosted by: Olivia Gordon
SciShow
What Makes Fresh Cut Grass Smell?
The smell of freshly cut grass on a warm summer day might make you think of lazy days in a hammock, sipping lemonade. But to the mangled grass producing that scent, it is the pungent perfume of pure terror...
SciShow
Victorian Pseudosciences: Solving Murders with Eyeballs
In the 1800s, Wilhelm Kühne created an image of a window from the eyes of a rabbit. Was this technology applicable to humans? Hosted by: Michael Aranda
SciShow
The Best Way to Cook Food, According to Science | SciShow Compilation
Did you know that there are good and bad ways to cook your food, according to science? From frying and baking, to zapping and roasting, here are a few scientifically backed dos and don’ts of food preparation and cooking. Let's go!
SciShow
How Safe Are Pesticides, Really?
If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be?
SciShow
The Weird, Delightful Smells of Being Human
Let’s face it: humans stink! But that’s not always a bad thing - we use smells to interact with each other and navigate our lives. Hosted by: Hank Green
SciShow
Paleontology's Technicolor Moment
For a long time, we could only guess what color a dinosaur might be. But in the past decade, there has been an explosion of color.
SciShow
5 Scientists Who Experimented On Themselves: High Stakes Research
It took some time for us to realize it isn’t the best idea for scientists to experiment on themselves. But along the way, sometimes at the expense of the health of scientists, we have gained crucial insights into their areas of study.
SciShow
How Weed Works: THC
Hank explains the science behind the effects of that wackiest of weeds, cannabis sativa - aka marijuana.
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.
SciShow
World’s Most Asked Questions: What Is Love?
People ask Google everything under the sun. One of the most commonly searched questions in the world is “What Is Love?” Allow us at SciShow to explain.
SciShow
Why You Should Never Put Tomatoes in the Fridge!
Without refrigerators, we'd have spoiled milk, moldy cheese, and warm sodas. However, there are some foods that don't fare so well in a chilly fridge, including tomatoes. Hosted by: Olivia Gordon
TED-Ed
TED-Ed: Can you freeze your body and come back to life? | Shannon N. Tessier
In 1967, James Bedford had a plan to cheat death. He was the first person to be cryogenically frozen. This process promised to preserve his body until a theoretical future when humanity could cure any illness, and essentially, reverse...
SciShow
The Dangerous History of Electroconvulsive Therapy, and How It’s Used Today
We’ve had a number of false starts that did more harm than good to figure out new treatments, and ECT is one of those treatments that came from a complicated history.
SciShow
Can Poppy Seeds Make You Fail a Drug Test?
Have you ever panicked before a drug test because you just ate a poppy seed muffin? Check out this episode to see if there’s really something to worry about with poppy seeds.
SciShow
Should I Be Afraid of BPA?
BPA has had some bad press, and now we're all wondering: Is BPA bad for us? Michael Aranda goes into how we encounter BPA in our lives and how it affects us.