SciShow
The Trick to Not Freezing During Hibernation
You may wish that you could pack on a few pounds and sleep the next few months away, and scientists are one step closer to understanding how some animals are capable of doing this.
TED-Ed
TED-ED: How to master your sense of smell - Alexandra Horowitz
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible...
SciShow
Why Does Getting Kicked in the Groin Hurt SO Much?
Getting kicked anywhere hurts, but getting kicked in the groin REALLY hurts for a few different reasons.
SciShow
What Happens When a Venomous Snake Bites Itself?
Venomous snakes produce some of the world’s deadliest substances, so they have to be pretty careful about how they use it. But what happens if they accidentally inject themselves with their own harmful cocktail?
SciShow
Why Does Wasabi Burn Your Nose?
The answer to why wasabi is such a nose burner has to do with a compound that researchers are trying to use in a creative way!
SciShow
Why Does Scratching Make Itching Worse?
It’s hard to resist the urge to scratch an itch, but doing so could help break that vicious cycle of itchiness.
SciShow
These Slugs See with Their Brains
If you’re a person with sight, your two eyes are your only window into the visual world. But slugs see not only with their eyes, but with their brains as well!
SciShow
Why Do Coffee Naps Recharge You So Well?
With their powers combined, coffee and naps create a greater sum than their parts.
SciShow
The Tiny Molecule Responsible for Startle Syndrome
Flinching in response to an unexpected loud noise might not be pleasant, but it's also not a problem for most people. For one family, however, getting startled would cause their bodies to go stiff and fall.
SciShow
The Science (and Dangers) of Booze in Humans
Many of us choose to enjoy the effects of alcohol, and we know that drinking too much is a bad thing, but what kinds of things can actually happen when you drink too much for too long?
TED-Ed
TED-Ed: What causes opioid addiction, and why is it so tough to combat?
In the 1980s and 90s, pharmaceutical companies began to market opioid painkillers aggressively, while actively downplaying their addictive potential. The number of prescriptions skyrocketed, and so did cases of addiction, beginning a...
SciShow Kids
Why Does Spicy Food Taste Hot?
You might know that spicy food can make your mouth feel like it's on fire, but how does it do that?
Crash Course
The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P
Today Hank wraps up this look at your integumentary system and all the hard work it does protecting you from and helping you interact with the world around you. -- Table of Contents: Protects Your Body 1:25 Senses the Outside World 1:42...
SciShow
Venomous Mammals, Sensory Receptors & the Moon's True Origin Story
Hank describes to us some news stories that illustrate how science is continually changing the things we think we "know" - from the status of various animals species, to the way our senses work and even where the Moon came from -...
Be Smart
How Many Smells Can You Smell?
We walk through life led by our noses. Literally. Because they're on the front of our faces. How does the sense of smell work, and how sensitive are our noses? Why are smell-related memories so vivid? How many different smells could we...
SciShow
Placebos & Nocebos: How Your Brain Heals and Hurts You
You've probably heard how some drugs and treatments make people feel better, even when they turn out to be fake. That's the placebo effect, but how does it work? And could the same effect backfire, causing your brain to make you feel...
SciShow
Why Does Toothpaste Make Everything Taste Bad?
Have you ever noticed that toothpaste makes some yummy foods, like orange juice, taste awful? QQ explains!
SciShow
The Protein That Switches on Puberty
Puberty is a wild time in human bodies, and so much goes on as they transform from a child to an adult. But it turns out, the whole process is controlled by a single protein - and it’s probably one you’ve never even heard of.
TED-Ed
TED-Ed: How does caffeine keep us awake? - Hanan Qasim
Over 100,000 metric tons of caffeine are consumed around the world every year. That's equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven't had enough sleep - but it can...
SciShow
Miracle Fruit: How to Trick Your Taste Buds
Hate the taste of sour stuff? Well fret no more with this miracle berry! It will coat your tongue with an awesome protein to make everything taste sweet! Hank Green explains in this episode of SciShow.
SciShow
Why Do Your Farts Smell Worse in the Shower?
If you've ever farted in the shower, you know that they smell REALLY bad in there, but why is that?
SciShow
Social Interaction and the 'Bliss Molecule'
This week on SciShow News, scientists found that social interaction triggers the production of the “bliss molecule” in mice. Plus, eating sugar is about more than just the calories.
Bozeman Science
Integumentary System
In this video Paul Andersen details the important structures and functions of the integumentary system. The integumentary system includes the skin, hair and nails in humans.
SciShow
The Second-Ever Case of Full HIV Remission | SciShow News
There’s still a lot of work to be done before HIV is cured, but this week scientists reported the second-ever case of full HIV remission in a patient.