Instructional Video2:38
SciShow

Why Do Your Eyes Get Red in the Pool?

12th - Higher Ed
It's not just chlorine that irritates your eyes in a pool. It's actually something a lot more disgusting
Instructional Video2:38
SciShow

These Horrifying Sea Slugs Smell Like Watermelon Candies

12th - Higher Ed
These fun looking sea slugs have a few unique features, not the least of which is the fact that they defend themselves by smelling like watermelon candies.
Instructional Video5:10
SciShow Kids

The Biggest Flower in the World!

K - 5th
Squeaks wants to know more about the biggest flower in the world! So Mister Brown teaches him all about this stinky, weird plant - called Rafflesia arnoldii! Disciplinary Core Idea: LS2.A: Interdependent Relationships in Ecosystems -...
Instructional Video4:53
TED-Ed

The incredible, bendable, twistable, expandable elephant trunk | Chase LaDue and Bruce A. Schulte

Pre-K - Higher Ed
As a breeze blows through the savannah, a snake-shaped tube stretches into the air and scans the horizon like a periscope. But it's not seeing— it's sniffing. Containing no bones and an estimated 40,000 muscles, an elephant trunk is one...
Instructional Video4:19
TED-Ed

TED-ED: How do we smell? - Rose Eveleth

Pre-K - Higher Ed
An adult human can distinguish up to 10,000 odors. You use your nose to figure out what to eat, what to buy and even when it's time to take a shower. But how do the molecules in the air get translated into smells in your brain? Rose...
Instructional Video3:55
SciShow

What Causes Morning Sickness?

12th - Higher Ed
If you've ever been pregnant, or been around a pregnant lady, you know that the agony that is morning sickness -- and it's not just something that happens in the morning! SciShow explains the many theories about what causes it.
Instructional Video2:23
SciShow

Why Do Your Farts Smell Worse in the Shower?

12th - Higher Ed
If you've ever farted in the shower, you know that they smell REALLY bad in there, but why is that?
Instructional Video10:14
SciShow

5 Animals With Superpowered Senses

12th - Higher Ed
From the ability to see “invisible” types of light to the power to taste all over their body, meet five incredible animals whose super senses far surpass our own! Chapters STAR-NOSED MOLES 3:04 HARBOR SEALS 4:56 CATFISH 6:49 BEARS 8:26
Instructional Video2:19
SciShow

Why Does Cilantro Taste Like Soap?

12th - Higher Ed
It's the controversy that plagues dinner tables the world over. Cilantro tastes like soap to some people, but they may not just be picky. It could be genetic.
Instructional Video10:21
Crash Course

Passing Gases: Effusion, Diffusion and the Velocity of a Gas - Crash Course Chemistry

12th - Higher Ed
We have learned over the past few weeks that gases have real-life constraints on how they move here in the non-ideal world. As with most things in chemistry (and also in life) how a gas moves is more complex than it at first appears. In...
Instructional Video2:01
SciShow

Do My Feet Smell Like Doritos?

12th - Higher Ed
Hank tackles another one of the internet's most-asked questions: What makes feet stink? And maybe more importantly, why do they sometimes smell like ... snack food?
Instructional Video10:29
Crash Course

Taste & Smell: Crash Course A&P

12th - Higher Ed
Hank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translating chemical, electromagnetic, and mechanical stimuli...
Instructional Video3:30
SciShow Kids

Your Tongue: The Taste-Maker!

K - 5th
You know ice cream tastes good, but have you ever wondered HOW you can taste it in the first place? Join Jessi and Squeaks to get the scoop on how your tongue helps you taste tasty tastes!
Instructional Video2:17
SciShow

Why Does Sweat Turn Shirts Yellow?

12th - Higher Ed
Have you ever gone through your laundry and noticed unsightly yellow stains in all of your white shirts? If your sweat isn't yellow, what's causing this?
Instructional Video2:25
SciShow

Why Is Only Half of My Nose Working?

12th - Higher Ed
Ever notice how one side of your nose always seems to be more stuffed than the other? What's up with that? Quick Questions knows!
Instructional Video2:44
SciShow

Why Do We Burp and Fart (So Much)?!

12th - Higher Ed
We all do it, but why? Hank explains the whys and hows of our gaseous emissions.
Instructional Video10:31
Bozeman Science

The Sensory System

12th - Higher Ed
Paul Andersen explains how we perceive our environment using our sensory system. He starts with a brief discussion of action potentials and the nervous system. He shows that we many more than five senses. He goes into more detail to show...
Instructional Video3:59
SciShow

What Do Food Expiration Dates Actually Mean?

12th - Higher Ed
Sell By, Best By, and Use By... do these dates actually tell you anything? Food science can be tricky, but we're here to clear some of it up.
Instructional Video4:05
SciShow

Why You Should Never Put Tomatoes in the Fridge!

12th - Higher Ed
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.
Instructional Video3:36
SciShow Kids

How Do Ants Find Food?

K - 5th
Jessi and Squeaks talk about some surprise visitors that came to check out their picnic: Ants!
Instructional Video8:00
SciShow

These Superpowered Animals Use Your 5 Senses, But Better

12th - Higher Ed
Many animals use the same five senses as we do, but these creatures take that beyond the next level.
Instructional Video9:06
Crash Course

Aromatics and Cyclic Compounds - Crash Course Chemistry

12th - Higher Ed
What's that smell? Smell's like Organic Chemistry! This week Hank talks about Aromatics and Cyclic Compounds and naming their substituents, resonance as well as common reactions & uses. -- Table of Contents Cyclic Organic Compounds &...
Instructional Video2:15
SciShow

The Strange Physics Behind the Smell of Rubber Bands

12th - Higher Ed
If you've spent any time trying to explode a pumpkin with rubber bands you know that they have a distinct smell to them when stretched, and you have physics to thank for that.
Instructional Video1:42
MinuteEarth

Who Are Flowers Trying To Seduce?

12th - Higher Ed
Want to learn more? Here are some keywords to get your googling started: - Pollination: the process by which pollen is transferred to the female reproductive organs of seed plants - Pollinator: the agent that moves the pollen - Abiotic...