SciShow
Why Does COVID-19 Have So Many Symptoms?
For a respiratory disease, COVID-19 sure seems to affect more than just the respiratory system. Scientists think the receptor ACE2 is to blame.
SciShow Kids
What are Boogers?
What’s that stuff up your nose? Does it do anything? SciShow Kids explains the science of boogers!
MinuteEarth
How Physics Saved Two Million Premature Babies
Doctors beat back a disease that was killing tens of thousands of babies a year with a machine based on a simple principle of physics. FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here...
SciShow
Crabs Keep Turning Into Land Animals!
When a species evolves from living in water to living on land it’s called terrestrialization, and it’s not an easy task. Yet crabs keep making the jump from sea to shore. Why? And how do they do it?
SciShow
What Happens if Your Body is Exposed to the Vacuum of Space?
Hank answers a SciShow viewer's most pressing question about what happens if the human body gets exposed to space. Would your head really explode?
SciShow
Animal Melodies: 5 of Nature’s Sweetest Singers
Humans are known to carry a tune, but we're hardly the only animals that sing. In fact we've got five of nature's finest singers, and what makes them so unique. Chapters View all BIRDS 1:17 BATS 3:26 FRUIT FLIES 5:18 MICE AND RATS 7:09...
TED-Ed
TED-Ed: Claire Simeone: The lovable (and lethal) sea lion
Sunning themselves on rocks or waddling awkwardly across the beach, it's easy to think of sea lions more as sea house cats. But don't be fooled by their beachside behavior. Under the waves, sea lions are incredible endurance hunters,...
SciShow
From Scarred Lungs to Diabetes: How COVID May Stick With People Long-Term | SciShow News
Even though we are still in the early stages of the COVID-19 pandemic, scientists are trying to figure out the ways in which this disease may stick with people in the long term - from lasting lung damage to potentially triggering...
TED-Ed
TED-ED: The effects of underwater pressure on the body - Neosha S Kashef
Why would a fish throw up its stomach? What makes a scuba diver develop painful microbubbles in their joints? Neosha S Kashef details the basics of barotrauma, shedding light on how humans and fish alike are influenced by laws of physics...
MinuteEarth
Why Do Some Animals Get Gigantic?
This video explores how various animals throughout evolutionary history have managed to grow to gigantic sizes through unique adaptations and environmental factors. From megabugs benefiting from a spike in atmospheric oxygen levels to...
SciShow
The Key to an Artificial Heart ... and Open-Heart Surgery
Scientists have been trying to pull blood out of the body and put it back in again since the early 1800s, but bypass machines haven't been easy to get right.
SciShow
Immune NETs: What COVID and Snake Venoms Have in Common
When faced with threats ranging from snake bites to COVID infections, some white blood cells retaliate with a peculiar tactic: spewing out their own DNA to form pathogen-trapping nets. But research suggests that sometimes this...
SciShow
The Oldest Known Animal May Be a Weird, Fleshy Oval | SciShow News
Dickinsonia might be the oldest known member of the animal kingdom, and the origin of birdsongs from the syrinx might be a little less mysterious.
SciShow
Why Are COVID Fatality Rates Dropping?
Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.
SciShow
Why Do We Sigh?
A sigh is often taken to be a sign of sadness, but it can indicate a lot more than that,or a lot less.
TED Talks
TED: Lifelike simulations that make real-life surgery safer | Peter Weinstock
Critical care doctor Peter Weinstock shows how surgical teams are using a blend of Hollywood special effects and 3D printing to create amazingly lifelike reproductions of real patients -- so they can practice risky surgeries ahead of...
SciShow
How a Storm Triggered a City-Wide Asthma Attack
A very weird way a thunderstorm might kill you.
TED-Ed
Why do we hiccup? - John Cameron
The longest recorded case of hiccups lasted for 68 years - and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these "hics"...
SciShow
New Cystic Fibrosis Treatment a GameChanger SciShow News
A new drug treatment based on a genetics discovery from the 80s could dramatically improve the lives of many people with Cystic Fibrosis
SciShow
Can Feeling the Love Save Lions? | SciShow News
Can you feel the love tonight? Hopefully scientists can make this the case for the growing numbers of lions in animal sanctuaries.
TED-Ed
TED-ED: How brass instruments work - Al Cannon
What gives the trumpet its clarion ring and the tuba its gut shaking oompah-pah? And what makes the trombone so jazzy? Al Cannon shows how these answers lie not in the brass the instruments are made of, but in the journey that air takes...
Crash Course
Respiratory System, part 1: Crash Course A&P
So we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple...
SciShow
Is That a Cold or Are Your Organs Flipped?
If you’re someone who is constantly coughing up mucus, you might not actually have allergies. There’s a possibility that your organs are flipped and you don’t even know it!
Amoeba Sisters
Circulatory System and Pathway of Blood Through the Heart
Join the Amoeba Sisters in their introduction to the circulatory system and follow the pathway of blood as it travels through the heart! This video explains the importance of blood, arteries, and veins, and it also introduces basic heart...