TED-Ed
TED-Ed: Blood, concrete, and dynamite: Building the Hoover Dam | Alex Gendler
In the early 20th century, the US had expanded from coast to coast, but many cities in the southwest still lacked reliable water sources. The Colorado River's erratic flow and frequent floods made it unreliable for agriculture, and the...
SciShow Kids
Why Does Ice Cream Hurt My Head?
Ice cream is a great treat, but you have to eat it slowly! Otherwise, you'll get what some people call a 'brain freeze,' which is a super bad headache that lasts for a couple seconds. But how does ice cream hurt your head?!
SciShow
Can I Die From Too Much Water? Blood? Oxygen?
We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing?
SciShow
7 Medicines That Come from Super Toxic Critters
Scorpion venom and insect poison sound really deadly, but scientists are increasingly turning them into medical treatments that save millions of lives. Chapters CAPTOPRIL 1:18 SOUTH AMERICAN PIT VIPER Credit: Renato Augusto Martins 1:33...
SciShow
A Blood Test for Cancer
Since many cancers don’t have symptoms early on, they may go unnoticed until they are at an advanced stage. But that is changing, thanks to a newer, non-invasive tool.
SciShow
5 Weird Things Your Blood Can Tell You
Blood is a pretty remarkable diagnostic tool! It doesn’t just tell you about blood-related diseases, it can reveal information about everything from your brain to your unborn fetus. Chapters PREMATURE BABIES 0:48 CONCUSSIONS 4:11 BLOCKED...
SciShow
How a Sick Chimp Led to a Global Pandemic: The Rise of HIV
In the first video in our two part series on HIV and AIDS, we explain how scientists figured out what HIV is, when the infection morphs into AIDS, and where they think the virus originated.
SciShow
Can You Keep Donating and Regrowing Your Liver?
Fun Fact: people can donate over half of their liver, and the tissue will grow back within a year! Knowing that, it seems pretty logical to assume that we could just keep donating and regrowing our livers over and over again, but is that...
TED-Ed
TED-ED: How do drugs affect the brain? - Sara Garofalo
Most people will take a pill, receive an injection, or otherwise take some kind of medicine during their lives. But most of us don't know anything about how these substances actually work. How can various compounds impact the way we...
TED-Ed
TED-Ed: Why do we itch? - Emma Bryce
The average person experiences dozens of individual itches each day. We've all experienced the annoyance of an inconvenient itch - but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to...
MinuteEarth
Milk Is Just Filtered Blood
Female mammals make milk, a cocktail of filtered blood, to provide their babies with vital nutrients. ___________________________________________ To learn more, start your googling with these keywords: Mammal: Endothermic vertebrates...
SciShow
Why Is My Poop Green?
One of the most commonly googled questions in the world is why feces can be green. Well, Quick Questions has the answer!
SciShow
Why Can't Kids Just Take Smaller Doses of Adult Meds?
You might have noticed that lots of drugs have special children’s formulas, and you might think that’s because smaller people need smaller doses. But you’d be wrong! Because kids aren’t just tiny adults.
SciShow
Why Is Fake Blood so Hard to Make?
Functional artificial blood could solve a lot of problems, so why hasn't it been created yet?
SciShow
The Sweet and Lowdown on Sweeteners
From sucrose to high fructose corn syrup to... lead? Hank gives us the sweet and lowdown on sweeteners.
SciShow
Blood Scrubbing Nano Magnets
SciShow explains a new breakthrough in our battle against pathogens: nano magnets that clean the blood! Chapters View all MAGNETS! 0:01 MAGNETIC NANOBEADS 1:15 IT WORKS! 1:58
SciShow
Could Your Blood Type Ever Change?
From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?
SciShow
Why do we get dark circles under our eyes? #shorts #science
Why do we get dark circles under our eyes? #shorts #science
Crash Course
Blood Vessels, part 1 - Form and Function: Crash Course A&P
Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures...
SciShow
7 Animals That Evolved at Hyperspeed — Because of Us
Evolution is known to be a long, slow process. But thanks to our interference, some animals have adapted at light speed in order to survive. Chapters 1 CLIFF SWALLOWS 2:45 SPORT FISH 3:04 MOSQUITOES 4:28 TURTLE-HEADED SEA SNAKES 6:09...
SciShow
Is There a Way to Sober Up Faster?
You may be aware of certain hacks to sober up, but researchers have found a way to actually get booze out of our systems faster. And this discovery could help first responders when facing alcohol overdoses.
SciShow
Aquatic Animals That Live in Trees
Fish in a tree? How can that be? For some aquatic creatures, it's not necessarily bad to be a fish out of water.
SciShow
How an Ancient Remedy Became a Modern Cure for Malaria
In the 1960s drug-resistant strains of malaria emerged, making the disease even deadlier than before. Then, pharmaceutical scientist Tu Youyou discovered a promising new remedy buried within the pages of ancient Chinese texts.
SciShow Kids
Going to the Doctor's Office with Dr. Aaron Carroll
Squeaks has a doctor's appointment coming up and he's a little nervous, so Jessi asked her friend Dr. Arron Carroll to come over and talk about what happens when you visit the doctor!