Do Other Diseases Have "Long" Versions?
AdultsBiologyHealthScience... This video was made in partnership with Bill Gates. COVID isn’t the only virus to cause long-lasting symptoms. Other viruses - including the flu - can have similar enduring effects on our tissues and immune systems.
The Super Secrets of Sewage
AdultsBiologyHumanScience... In 2020, many cities started monitoring wastewater for viruses, and there are a lot of non-virus reasons to keep doing it.
How does heart transplant surgery work? - Roni Shanoada
AdultsBiologyHumanTechnology... Dig into the science of how heart transplants happen, how donors are matched and find out how this complex surgery saves lives.
Why are cockroaches so hard to kill? - Ameya Gondhalekar
AdultsAnimalsBiologyEducation... Dig into the genetic adaptations of cockroaches, and find out what makes it so hard to get rid of these tenacious creatures.
Crash Course Anatomy & Physiology Preview
AdultsBiologyHumanScience... We made flashcards to help you review the content in this series! Find them on the free Crash Course App!
An Egg Is Just One Cell
AdultsBiologyFoodScience... One of Earth's biggest cells is one you're probably really familiar with.
Why do cats have vertical pupils? - Emma Bryce
AdultsAnimalsBiologyNature... Dive into the incredible diversity of animal pupils, and how the different shapes indicate the animal’s role in an ecosystem.
What Happens To Your Body When You Stop Drinking Alcohol
AdultsBiologyHealthHuman... Drinking alcohol is one of the most popular things to do across the globe. Some people spend their entire weekends sitting at the bar, but consuming alcohol on a daily or weekly basis can have extremely negative effects on the body.
You Are Immune Against Every Disease
AdultsBiologyHumanScience... You are not a person, you are a planet, made of roughly 40 trillion cells. There is so much of you, that if your cells were human-sized, you would be as big as 20 Mount Everests.
Catching Criminals Using Their Relative's DNA
AdultsBiologyHumanScience... Your genetic code is probably already in a database, without you ever giving a sample or permission.
You could have a secret twin (but not the way you think) - Kayla Mandel Sheets
AdultsBiologyHumanScience... While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others.
This Virus Shouldn't Exist (But it Does)
AdultsBiologyEducationScience... Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms.
How Fevers REALLY Work
AdultsBiologyHealthHuman... Fevers are one of our best weapons against infections, but they don't work like you might think.
Why It's Good To Have A Weak Hand
AdultsBiologyEducationHuman... We might have a strong hand because having a weak hand is actually useful.
Human Body 101 | National Geographic
AdultsBiologyHealthHuman... How does the human body work? What roles do the digestive, reproductive, and other systems play?
Which Will Kill You First?
AdultsBiologyHealthHuman... The body can get a whole lot colder - but not a whole lot hotter - before we die. Why is that?
How fast is the speed of thought? - Seena Mathew
AdultsBiologyHumanScience... Travel into the brain to see how its network of neurons transmit your thoughts and what factors determine how quickly you think.
How Large Can a Bacteria get? Life & Size 3
AdultsBiologyEducationScience... In and out, in and out. Staying alive is about doing things. This very second, your cells are combusting glucose molecules with oxygen to make energy available, which keeps you alive for another precious moment. To get the oxygen to your cells you are breathing.
Which type of milk is best for you?
AdultsBiologyEducationFood... Dive into the most popular milks— dairy, almond, soy and oat— to find out which is healthiest for you and for the planet.
The surprising effects of pregnancy
AdultsBiologyHealthHuman... Discover how pregnancy changes every organ in the body— from the heart, to the brain and kidneys— and what we still don’t know about it.