SciShow
Why You Think Your Phone Just Buzzed
Have you ever thought you felt your phone vibrate, only to pull it out of your pocket and find that you have no new notifications? If so, you've experienced 'phantom vibration syndrome.' But what causes these mystery sensations, and are...
SciShow
5 Psychology Experiments You Couldn't Do Today
In the past, some experiments were run in scary and unethical ways. From using children to unknowing subjects, these five experiments left people affected for the rest of their lives.
SciShow
Why You Think Your Phone Just Buzzed
Have you ever thought you felt your phone vibrate, only to pull it out of your pocket and find that you have no new notifications? If so, you've experienced 'phantom vibration syndrome.' But what causes these mystery sensations, and are...
TED-Ed
TED-Ed: How do nerves work? - Elliot Krane
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.
Amoeba Sisters
Characteristics of Life
We chose not to give a numerical value for how many characteristics of life there are, because we do not want to imply that what we are listing must be a specific order, or that it cannot be expanded upon or include exceptions....
SciShow
What Causes Brain Freeze?
That terrible pain the befalls us when enjoying an icy treat! How does that happen? Is there a cure? Let Hank explain.
TED-Ed
TED-Ed: How do governments create money out of thin air? | Jonathan Smith
In March 2020, the COVID-19 pandemic rocked economies worldwide. Millions of people lost their jobs, and many businesses struggled to survive or shut down. Governments responded with some of the largest economic relief packages in...
Crash Course
Animal Behavior - CrashCourse Biology
Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do.
SciShow
ASMR: That Happy, Tingly Feeling
Hundreds of thousands of people get a tingling sensation, called ASMR, from things like whispering or personal attention. Here's what science has to say about it.
Bozeman Science
Elements of a Feedback Loop
Paul Andersen defines the major elements of feedback loops. The receptors and effectors both sense and respond to changes in their environment. The following examples are used to illustrate the importance of feedback loops in maintaining...
Crash Course
Peripheral Nervous System: Crash Course A&P
It is now time to meet the system that helps your crazy brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent...
SciShow
Why Does Spicy Taste 'Hot' and Minty Taste 'Cool'?
A Quick Question answer that explains the chemistry that makes minty things taste “cool” and spicy things taste “hot”.
Crash Course
Fiscal Policy and Stimulus: Crash Course Economics
In which Jacob and Adriene teach you about the evils of fiscal policy and stimulus. Well, maybe the policies aren't evil, but there is an evil lair involved. In this episode we learn how government use taxes and spending influence the...
SciShow
Do we have more than 5 senses?
The Greek philosopher Aristotle used sensory experiences and body parts to propose that humans have five senses. But almost as soon as he proposed them, people noticed things that didn’t fit the bill. And the debate has continued ever...
TED-Ed
TED-Ed: The difference between classical and operant conditioning - Peggy Andover
Why is it that humans react to stimuli with certain behaviors? Can behaviors change in response to consequences? Peggy Andover explains how the brain can associate unrelated stimuli and responses, proved by Ivan Pavlov's famous 1890...
SciShow
The Good Behavior Game
There's not a lot of tried and true ways to get a rowdy classroom in control, with the exception of the Good Behavior Game. But there's one big caveat as to who it helps.
Curated Video
Neurons as Cells
Everything our brain does, from controlling movement to conscious thought, is achieved by the firing of electrical signals called neurons. Biology - Being Human - Learning Points. Everything our brain does is achieved by electrical...
Curated Video
Tropisms and Hormones
Discover the hormones that dictate whether a plant grows downwards with gravity, towards water and nutrients, or upwards towards light. Biology - Plants - Learning Points. Tropisms allow plants to seek out the best conditions for...
Curated Video
Organism
Any living system, such as a plant or animal, that can respond to stimuli, reproduce, grow, and can maintain a stable internal condition in a changing environment. A Twig Science Glossary Film. Key scientific terms defined in just 60...
Curated Video
The Nervous System - Brain Function
Learn all about the function of the brain and the nervous system. Life processes - Body systems - The brain and body Learning Points The nervous system is the brain, spinal cord and a network of nerves. The senses transmit information to...
Curated Video
Sense of Touch
Case study of the sense of touch. Life processes - Body systems - The brain and body Learning Points Skin contains specialised cells called neurons that are part of the nervous system. Neurons can detect different sensations – touch,...
Curated Video
The Mere Exposure Effect: The Science Behind Ads
Some people think they are immune to ads. If you are one of them, you might not have heard of the mere exposure effect— a psychological phenomenon by which we tend to like things the more we are exposed to them. Beware, it takes just...
PBS
Should the U.S. Government Balance Its Budget?
You've probably heard a politician say, "If a household can balance their budget, then the federal government should, too!" But it turns out to be a bit more complicated than that...
Curated Video
Responding to Stimuli
Responding to Stimuli gives examples of stimuli organisms receive in their environment through example of plants and animals.