SciShow
Relative Humidity Isn't What You Think It Is
Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition of humidity is inconvenient and confusing. But there is a better way!
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Record-Breaking Discoveries of 2016!
It’s been a pretty cool year for science around the globe, and we here at SciShow like to highlight the superlatives: some of the biggest, oldest, fastest, and most amazing discoveries of 2016.
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Plants That Keep Themselves Warm
Sometimes, plants do unexpected things. Like control their own body temperature.
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Not All Carnivores Eat Meat
The name of the order Carnivora means "meat-eaters," and while most of the members of Carnivora live up to that name, there is at least one cute and curious exception.
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North America’s Destructive, Invasive… Earthworms
Earthworms may be good for your garden, but they also have the potential to disrupt forest ecosystems across much of North America.
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Non-Newtonian Fluids & A Bulletproof Hoodie
Hank describes how non-Newtonian fluids can save lives - and dreams of a bulletproof hoodie.
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New Insights Into What Fruit Fly Sex Is Like
It's the year 2018, and we now know that flies like to ejaculate. But how does this tie into our understanding of addiction?
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New Genetic Clues to the Mystery of Your Giant Brain
Big-brained scientists have found the mechanism that may have allowed their brains (and all humans') to get so big.
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NASA Needs You
Hank usually likes to keep science and politics separated, but the reality is that a lot of scientific research in the United States is funded by the government. This is a problem right now because the disfunction in the world of...
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Monsoons: Nature’s Air Purifiers
Monsoons are more than torrential rains. They come in wet and dry varieties, but both involve a lot of wind. And it turns out, those winds can help the Earth clean up some of the pollution mess humanity makes.
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Mitochondria Are the Powerhouse of… Alzheimer’s?
Some researchers think mitochondria could be hiding the key to Alzheimer's disease. And we may have a new strategy to fight the threat that the global banana industry has been facing for decades.
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Mistletoe: The Holiday Plant That Shouldn’t Exist
Mistletoe's ability to stay green through harsh, cold weather has made it a symbol of holiday romance for centuries. But it relies on some very strange (and occasionally disgusting) adaptations to stay vibrant and healthy all winter long.
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Mind-controlling Parasites!
Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.
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Microscope: The Tube That Changed the World
Humans have long known that glass bends light. However, it took us awhile to figure out that stacking lenses in a tube would open up a whole new world to science, finally allowing us a peek at the microscopic.
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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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Meet Our Nitrogen-Breathing Bacterial Relative
Oxygen is pretty great stuff, but this recently discovered organism couldn’t care less about oxygen. It breathes nitrogen and may offer a window into how the types of cells in OUR bodies may have evolved billions of years ago.
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Meet CERN's New Particle: A Double-Charm Baryon!
This week, CERN announced a new particle that will help further understanding of the fundamental forces, and a simulation of ancient creatures may give us a clue as to how life grew beyond the microscopic.
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Liquid Water on Mars
Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
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Lion's Mane Mushrooms Actually DO SOMETHING!
Turns out doing the crossword is only one way you can keep your head healthy because mushrooms can help your brain cells grow!
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Learning Mnemonics: Can You Really Hack Your Memory?
There are lots of strategies to remember information when you need it most. These are shortcuts called mnemonics.
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Laser Archaeology: Revealing the Amazon's Urban Jungle
Hard-to-reach places, like the Amazon rainforest, can hide traces of past civilizations. But scientists are finding ways to explore these areas from above and discover the effects these ancient peoples had on their environment.
SciShow
Krokodil, fake pot and the real chemistry of drugs
Time Magazine has called it "the most horrible drug in the world," and last month, it hit the US. Because seriously, why would you take a drug that rots your flesh, bones, and brain?! Hank Green discusses the science behind the street...
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Kids, Kawasaki Disease, and COVID-19: What Parents Should Know
While children are only a small minority of those who test positive for COVID-19, we’re starting to see evidence of a rare, but serious, complication in children that resembles a condition known as Kawasaki disease. Here’s what doctors...