SciShow
Optogenetics: Using Light to Control Your Brain
Optogenetics may allow us to use light like a remote control for our brains, and treat diseases like retinitis pigmentosa.
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How Studying Elephant Seals Could Treat Heart Attacks
Generally, when you think of carbon monoxide, nothing good comes to mind. And that’s… pretty reasonable. But elephant seals show us how we might be able to use carbon monoxide as an effective therapy for heart attacks and strokes.
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Another Zika Update & Quantum Physics Gamers
Today on SciShow News: We've learned more about the Zika virus, and we'll tell you how gamers are helping to develop quantum computers.
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The Moth That Drinks Bird Tears & 6 Other Absurd Diets
These organisms don’t just dabble in out-of-the-box delicacies, they make some really bizarre dietary choices! Chapters View all FRUIT-EATING CROCODILES 0:57 SNAIL-SLURPING SNAKES 3:14 SHELL-CRUNCHING CATERPILLAR 5:31 PORTA-POTTY PITCHER...
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Bones Began as Mineral Batteries
Today, bones hold us up. But for ancient jawless fishes, bones may have been a way to store energy for long journeys. Plus, new research indicated that hippos and cetaceans may have evolved their aquatic traits separately.
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Can Soda Save a Dying Fish?
For years, catch-and-release anglers have been pouring soda on bleeding fish in an effort to help save their lives. But.. does this actually work?
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Insect Filth and Bloody Messes with Evelyn From The Internets!
Hank faces off against his Crash Course co-worker Evelyn from the Internets in this test of wits and sticky science knowledge! Who will win and who will lose?
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A Song of Ice and New Species
Hank shares losses and finds this week, including a huge amount of Antarctic ice that’s lost for good, and 10 cool new species that are last year’s top finds.
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News Bummers Poison Fog Sad Sperm & SAM
Hank loves science because it helps us appreciate the world more, but not everything that science does makes him happy - reports of poison fog on the West coast of the United States; dramatic decreases in sperm counts; and a lack of...
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What’s Hiding Inside The Crab Nebula?
The Crab Nebula is one of the most studied things in the sky, but it took glimpses through various wavelengths of the electromagnetic spectrum to get a full picture of what’s hiding inside!
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Something Is Creating and Removing Oxygen on Mars - SciShow News
Oxygen levels in the Martian atmosphere are mysteriously inconsistent, and scientists don’t have a clear explanation for what’s behind the changes. Meanwhile, scientists DO have explanations for the tiger-like stripes on one of Saturn’s...
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Will Humans Ever Be Able to Hibernate?
Do you ever feel so tired that you want to sleep for a few months? Scientists are searching for ways to cause human hibernation.
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What's Up With That Russian Vaccine? | SciShow News
You might be wondering what we know about Sputnik V, the world’s first vaccine for widespread use against COVID-19. Well, so is everyone. Many experts are skeptical as to whether the vaccine actually works, because it’s been tested in a...
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Old Pill, New Trick
One team of researchers may has found a promising lead in the fight to cure or prevent Alzheimer's. And another team is helping us understand how Hydras regrow their heads.
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3 Ways You Can Join the Citizen Scientists Fighting COVID-19
If you’re getting restless from social distancing and wishing you could do more to help fight the global pandemic, here are some ways that you can help scientists fight COVID-19—all from the comfort of your home.
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Pain-Killing Hunger and Superpowered Diabetic Fish
Animals that eat things are at the forefront of this week’s news, from mice with pain-killing hunger to fish with signs of diabetes.
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5 Things That Make You a Mosquito Magnet
Every summer it seems like there’s that one person who always gets a lot of mosquito bites. But what makes people mosquito magnets?
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Editing Genes Inside the Human Body
We talk a lot about CRISPR and "designer babies" but the science of editing genes is varied and complex. This month, an adult man received billions of gene-editing viruses via an IV in an effort to treat a rare disease.
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The Tree of Life Is Messed Up
Taxonomy is a powerful tool, and one that modern biology wouldn't be able to function without. But trying to shoehorn the messy, complicated web of interrelationships that is biology into neat boxes has resulted in a pretty messy tree of...
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Is There An fMRI Crisis?
As technology becomes more complex, it's easier for things to go wrong.
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Is There Really An Infinite Multiverse? - Stephen Hawking's Last Paper
Just a few days before he died, Stephen Hawking submitted one last research paper using string theory math to talk about the multiverse.
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News | Where Did Domesticated Horses Come From?
New information has helped us understand where domestic horses came from. And by counting some tree rings, researchers were able to find evidence of Norse presence in the Americas in 1021 CE.
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Bdelloids: The Most Hardcore Animals in the World?
Bdelloid rotifers have a superpower. If their DNA is shredded to pieces, whether from a lack of water or a blast of radiation, they can put it back together.
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Three MORE Things You Missed Because of COVID
This year, science news has understandably focused a lot on COVID-19. But other science has carried on, and there have been plenty of amazing discoveries this year that we think deserve a spotlight, too!