Amoeba Sisters
Biomolecules (Updated 2023)
Explore the four biomolecules and their importance for organisms and the structure and function of their cells! This 2023 UPDATED Biomolecules Amoeba Sisters video has some more detail and improved art from the 2016 Amoeba Sisters...
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We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
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The World's First Malaria Vaccine Gets a Shot in Africa | SciShow News
Last week, the World Health Organization announced that a malaria vaccine has finally made it through all the regulatory hurdles and is being distributed in the country of Malawi. Learn how it works and why it’s taken so long to develop...
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The Secret of Your "Junk," Revealed!
Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.
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Microbes Might Survive on Mars | SciShow News
We’re all excited about the Mars rover Perseverance this week, but scientists are also working on some other exciting things!
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How One Disease Changed What We Know About Medicine - Twice
Searching for a cure for rickets led to the discovery of vitamin D. Fortifying foods with vitamin D led to another disease, and a whole new way to view genetic disease in general.
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Gluten
Gluten is a sticky protein composite found in cereal grains. Hank gives us some insight into the importance of gluten in history, as well as its impact on health in our own time.
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Four Creatures That Glow
Fireflies, crustaceans, jellyfish -- lots of living things glow, and they do it for all kinds of reasons, some of which we haven’t even discovered yet.
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Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.
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Why It Actually Took 50 Years to Make COVID mRNA Vaccines
The FDA recently approved two mRNA vaccines for COVID-19, but it was a challenge to make this type of vaccine work. And it took decades of research to get us to the point where scientists could make those vaccines as quickly as they did.
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Why HIV is No Longer a Death Sentence
The HIV & AIDS epidemic claimed countless lives in the 80s and 90s— and while it's still a devastating diagnosis, medical technology has made significant advancements in treating HIV. In the second video of our two-part series on HIV and...
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People Grow Brain Cells Well Into Their 80s | SciShow News
This week, scientists announced great news about our brains and those discoveries may help us find the cure for a number of diseases and disorders.
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Why Scurvy Doesn't Make Sense to Science
Scurvy isn't just a silly word used by pirates- it's actually a serious disease caused by a lack of Vitamin C that still occurs today! But did you know that our distant ancestors could make their own Vitamin C, making it impossible to...
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What Happens to My Wool Sweater in the Washer?
Be careful with your wool. Unless you want a nice piece of felt with some holes in it.
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Have We Discovered a Cure for Cancer... on Accident?
Is there actually a cure for cancer? A universal cure would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident. Watch this new episode of SciShow and find out more! Hosted by: Hank...
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Do Bacterial Cells Store Memories?
Some bacteria seem to be using a type of memory to help them alter future behaviors, based on their past experiences.
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Cephalopods Have a Totally Wild Way of Adapting
With their squishy bodies and color-changing abilities, octopuses and other cephalopods already look like our planet’s resident aliens. But researchers have discovered yet another thing that separates them from most other animals on...
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Can Your Cat Change Color?
Brown cats are something of a rarity, but you may have something pretty close.
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6 Non-Mammal "Milk" Producers
When you think of milk, you might think of mammals like humans and cows, but there are other species that give food to their young, in their own weird ways.
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5 Science-Backed Barbecue Tips
It's barbecue season around the SciShow office, which means applying our knowledge of science to this delicious outdoor past-time.
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4 Ways CRISPR Is More Than Just Gene Editing
While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more.
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We Just Found Out Fat Cells Can Move!
Fat cells don't often receive praise in everyday life, but they probably deserve more credit, as they might be healing our wounds.
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Viroids: Possibly the Smallest Pathogens on Earth
Potato spindle tuber disease wasn't a life-or-death situation, but it led to the discovery of viroids: infectious, replicating bits of RNA
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These Migrating Birds Fuel Up by Eating…Mud?
A marathoner needs a lot of energy to make their long distance treks, and this is no different for migratory birds. But how are these marathon flyers getting that energy from the mud they’re slurping off of beaches along the way?