MinuteEarth
How The Modern World Tricks Our Bodies Into Hurting Themselves
The same enzyme that used to save us is now killing us because the body reactions it catalyzes now cause more harm than good.
SciShow
Why It's Good for COVID-19 Models to Be Wrong
As we react to the predictions that epidemiological models make, changing the ways we act and go about our lives, those estimates can appear totally off. But if a model’s predictions end up being wrong, that might mean it's done exactly...
TED Talks
TED: The agony of opioid withdrawal -- and what doctors should tell patients about it | Travis Rieder
The United States accounts for five percent of the world's population but consumes almost 70 percent of the total global opioid supply, creating an epidemic that has resulted in tens of thousands of deaths each year. How did we get here,...
SciShow
When Everything Feels Like a Dream | Depersonalization-Derealization Disorder
It's not rare to feel like we're dreaming, even right after we wake up, but when it sticks around for longer than it should, it can merit its own diagnosis: depersonalization-derealization disorder (DDD). Hank unpacks what this disorder...
TED Talks
TED: Why we have an emotional connection to robots | Kate Darling
We're far from developing robots that feel emotions, but we already have feelings towards them, says robot ethicist Kate Darling, and an instinct like that can have consequences. Learn more about how we're biologically hardwired to...
TED-Ed
TED-ED: The terrors of sleep paralysis - Ami Angelowicz
Imagine you're fast asleep and then suddenly awake. You want to move but can't, as if someone is sitting on your chest. And you can't even scream! This is sleep paralysis, a creepy but common phenomenon caused by an overlap in REM sleep...
TED Talks
Bright Simons: To help solve global problems, look to developing countries
To address the problem of counterfeit goods, African entrepreneurs like Bright Simons have come up with innovative and effective ways to confirm products are genuine. Now he asks: Why aren't these solutions everywhere? From...
SciShow
Why Is The Sound Of Chewing So Awful?
Does the sound of someone eating make your skin crawl with disgust? Does the sound of someone typing on a keyboard really get on your nerves? Join us to find out why noises like these can really get under some people's skin!
Bozeman Science
Unit 4 Review - Homeostasis
Paul Andersen reviews the major concepts within the fourth unit of the new AP Biology framework. He begins by differentiating between negative and positive feedback loops. He explains how a stable internal environment is maintained...
Amoeba Sisters
Immune System
Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.
TED-Ed
TED-Ed: Would you stop dating someone your parents didn't like? | TED-Ed
In 1972, psychologists at the University of Colorado surveyed 140 couples to determine whether a relationship facing parental disapproval was more likely to strengthen or crumble under the pressure. Can long-term success of a romantic...
TED Talks
Onora O'Neill: What we don't understand about trust
Trust is on the decline, and we need to rebuild it. That's a commonly heard suggestion for making a better world ... but, says philosopher Onora O'Neill, we don't really understand what we're suggesting. She flips the question, showing...
SciShow Kids
Can You Guess the Emotions? | Squeaks and Jessi Play a Guessing Game! | SciShow Kids Compilation
We have so many different emotions that pop up from time to time, so Squeaks and Jessi are playing a guessing game while they watch videos that remind them why we have certain emotions!
SciShow
Why Is Your Cat So Disgusted With You?
Sometimes your cat looks at you like they’re just absolutely revolted. So, does your cat think you're gross?
TED-Ed
TED-Ed: Why you procrastinate even when it feels bad | TED-Ed
The report you've been putting off is due tomorrow. It's time to buckle down, open your computer ... and check your phone. Maybe watch your favorite YouTube channel? Or maybe you should just start in the morning? This is the cycle of...
TED-Ed
TED-Ed: What makes TB the world's most infectious killer? - Melvin Sanicas
Learn why tuberculosis, TB, is the world’s most infectious disease and how medical advancements are improving treatment. -- In 2008, two 9,000-year old skeletons were found with their bones infected by an all too familiar bacterium. The...
SciShow
The Wild, Wiggly, Weird World of Worms | Compilation
There are tens of thousands of types of worms on our planet, and these wiggly wonders are oh-so fascinating that we had to put together different stories about them to reveal just how 'wormdeful' they are.
SciShow
We Had Catnip All Wrong
Why do cats love catnip so much? Researchers have found a possible evolutionary answer to this adorable feline phenomenon!
SciShow
Why Don't Humans Get Heartworm? (Spoiler: We Do)
Preventing heartworm disease in your dog isn't just good for your furry friend. It turns out that humans can be infected with heartworm, too!
SciShow
Why Do You Feel Butterflies in Your Stomach
It may have happened when you locked eyes with your secret crush, or before an important job interview, but what exactly caused that strange, fluttering sensation in your stomach?
TED Talks
TED: Technology that knows what you're feeling | Poppy Crum
What happens when technology knows more about us than we do? Poppy Crum studies how we express emotions -- and she suggests the end of the poker face is near, as new tech makes it easy to see the signals that give away how we're feeling....
Crash Course
Black Lives Matter: Crash Course Black American History #51
In the final episode of Crash Course Black American History, Clint Smith teaches you about the Black Lives Matter movement. We'll discuss some of the major events that contributed to the rise of BLM, including the deaths of Trayvon...
SciShow
Real Pain and ‘Explosive’ Brains - Fibromyalgia
Fibromyalgia is not a well-understood malady, but scientists are making breakthroughs that could eventually help pin down both the causes and the cures.
TED-Ed
TED-Ed: Why do you get a fever when you're sick? | Christian Moro
There are many mysteries around fever, but we do know that all mammals, some birds and even a few invertebrate and plant species feel fever's heat. It has persisted for over 600 million years of evolution. But it has a significant cost:...