SciShow
We Don’t Know Why Astronauts Get Motion Sick
A majority of modern astronauts experience any one of a suite of symptoms scientists collectively call Space Motion Sickness, or SMS. But despite knowing about it for nearly as long as humans have gone into space, we still don't know...
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Fighting Carbon With Carbon
To reduce the amount of carbon dioxide in the atmosphere, some researchers are taking carbon capture technology to the source(s) — for example, slurping up CO2 before it ever leaves the power plant that made it. But that's not all! Some...
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This is How We’ll “See” the Universe’s First Second
In June 2023, scientists around the world announced the first official detection of the gravitational wave background — a cacophonous symphony of gravitational waves coming from every direction in space. Buried within that cosmic noise,...
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Female Cockroaches Hate Romance (And It’s Our Fault)
Most people don't love cockroaches. And thanks to that lack of love, the females of one species of cockroach might not love their males looking for love. But lucky for both of them, evolution might be finding a way around it.
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No One Knows Where These Gems Came From
Montana sapphires come in a beautiful array of colors found in a few other places in the world. But geologists have no idea where they originated.
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The Sexually Transmitted ... Sandwich?
When you're enjoying an intimate moment with that special someone, the peanut butter and jelly sandwich you ate for lunch is probably the last thing on your mind. But sexually transmitted allergens are a thing, and nut allergies aren't...
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Why Your Dog Has An Anti-Tick Pill And You Don’t?
If you've ever given your pet an anti-flea and tick medicine, you may have wondered why there's not a similar drug out there for you. Here's a little dive into the history of these drugs, and why there may someday be a human-grade...
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The Rocket that Hopped
Surveyor 6 may not have been the first craft to make a soft landing on the Moon, but it is the first craft to take off from the surface of another world. And it did so in a very adorable way. Long before any Apollo astronaut, Surveyor 6...
SciShow
Hacking the Brain to Treat Tinnitus
Start speaking a new language in 3 weeks with Babbel. Get up to 60% off in your subscription here: https://go.babbel.com/t?bsc=1200m60-y... Tinnitus, or ringing in the ears, often accompanies hearing loss, and usually has no treatment....
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The Only Moons That Trade Places
Saturn's moons Janus and Epimetheus were once thought to be the same moon. It turns out they're dance partners.
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Why Your Strawberry Milk May Look Different Soon
Popular food dyes Red 3 and titanium dioxide are in everything from toothpaste to your strawberry milk. But multiple U.S. states and the EU are trying to ban them. Are they safe?
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Does Tylenol Actually Do Anything?
The pain reliever known as acetaminophen or paracetamol, marketed under brand names like Tylenol, Calpol or Panadol, has an excellent reputation. But the quality of evidence that it actually works is shockingly poor. So, do doctors and...
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This Planet is Only Half Covered in Lava
There are a lot of weird exoplanets out there, like 55 Cancri e (aka Janssen), which is probably half covered in lava. But the half that's covered in lava might not be quite the half you're thinking of.
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The Ocean’s Turning Green (That’s Bad)
Computer models of climate change have long predicted that the ocean would turn green as a result of warming. But the change can't be seen by the human eye, so scientists weren't sure how they'd measure this effect... until it turned out...
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The Particle So Extreme Scientists Called it OMG
In 1991, a subatomic particle smashed into Earth's atmosphere traveling faster than anything humans can replicate. It's the most energetic particle detected to date, and maybe even the fastest (except light itself). Astronomers call it...
SciShow
Why Hairworms Don’t Have Hair
Hairworms, sometimes called horsehair or Gordian worms, are mind-controlling parasites with a twist. A genetic study found these nematomorph worms are missing 30% of their genome, and we don't understand how they live without genes for...
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The Hostile World Where Animal Life Began
For decades, researchers thought they had a solid idea about the earliest booms in animal life. But new research might have turned off the gas on all these ideas, flipping our understanding of the Avalon explosion and the Cambrian...
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The Woman Who Saved the World
On her way to winning the 2023 Nobel Prize for her pioneering work on mRNA vaccines, Katalin Karikó lived a life made for the big screen.
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Blue Is the New Green (For Hydrogen)
We all want green energy to stop climate change, and one option is hydrogen. But achieving green hydrogen is tough, so some want to consider so-called blue hydrogen instead. Support for this video provided by Gates Ventures.
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You Went Through Puberty as a Baby
We all remember the woes and trials of our adolescence. But what you may not have realized is that your middle-school bout with surging hormone's wasn't the first time you went through a sort of puberty. From surging hormones to hair...
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The Island Made Of Gemstones
Zabargad Island in the Red Sea is so crusted with peridot that it's fair to say the place is literally made of it.
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Do Animals (That Aren’t Us) Procrastinate?
Are there any non-human animals that take a task they don't want to do and think to themselves "Eh, I'll do it tomorrow"? Even if they know the task will be harder and/or more unpleasant by putting it off? One of our Patreon subscribers...
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We Finally Landed on the Bottom of the Moon!
Humans have been hurling spacecraft at the Moon for over 60 years. But even with all that practice, it's still quite the challenge to successfully land something on the surface. Case in point: in August 2023, two missions attempted to...
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Growing Bacteria in Space Stations | Compilation
Bacteria is enormously resourceful and will find a way to grow just about anywhere it can, and that includes space stations. Here's a compilation of how that's happened in the past and how we've handled it!