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How Health Affects Sperm
Welcome back to SciShow News! Michael Aranda explains how a male's health affects their sperm.
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How Earth's Rotation Affects Our Oxygen | SciShow News
Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down.
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How Do We Know We’re Tired?
Sleep is complicated. And there's still a lot we don't know about it, but zebrafish larvae are a surprisingly good place to look to learn more about what makes us sleepy.
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How Bacteria Helped Plants Take Over the World | SciShow News
This week, scientists think they may have found a missing link in regards to how plants went from living in the sea to on land, and also, in adorable news, surfing honeybees.
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Hospitals are Hotspots for Antibiotic-resistant Germs
While antibiotics have saved millions of lives, misusing them can speed up how fast bacteria evolve to resist them. And it turns out that one of the biggest hotspots for these antibiotic-resistant bacteria…is hospitals.
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Cannibalism, Zombies & Suicidal Cells: The Latest In Cancer Research
Hank shares some developments in cancer research, from new insights into the behavior of zombie cancer cells, to a new method that uses nanotechnology to kill cancer from within.
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Can Dogs Smell Fear?
We're taught to be cool around strange dogs because they smell fear, and that might be true, but your fear is probably freaking them out too!
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Astronomy’s Unsung Hero is a Plain Ol’ Aluminum Ball
In 1965, MIT's Lincoln Laboratory saw their Lincoln Calibration Sphere 1 (LCS-1) launched into Earth orbit. It was an empty aluminum sphere and couldn't do any science of its own. But the world's most boring disco ball has played a huge...
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Are We Finally on the Road to Fusion Power?
Scientists working at a nuclear fusion facility in Oxford announced a record-breaking result. And while there's still a lot to figure out to make fusion viable, this brings us one step closer to realizing a technology with huge potential...
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Anthropology’s Greatest Hoax
Scientists are sometimes deemed objective observers of the world in which we live, but that’s not entirely true. They’re still human and can find themselves victim to fraudsters just like the lot of us.
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All About Vaccines | SciShow Compilation
We've been spending a lot fo time thinking about one vaccine: the COVID vaccine. But vaccines have been around since long before SARS-CoV-2 showed up, so let's learn about some of those other vaccines.
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A.I. Reveals Autism-Linked Changes in "Junk" DNA | SciShow News
Scientists know that genetic factors can explain many of autism’s features - but have autism researchers been looking for those features in the wrong DNA? A new study uses A.I. to uncover changes linked to autism in the stretches of non...
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A Cancer Gene May Be More Friendly Than We Thought | SciShow News
Until now, researchers have assumed that healthy cells switch off the enzyme telomerase as a way to protect themselves from turning cancerous. But a new study suggests the enzyme may have a healthier role than we previously thought....
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9 of the Weirdest Sperm Adaptations
You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique adaptations to get where they're going.
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6 Incredible Discoveries Made on Accident
Some of science's most interesting discoveries happened totally on accident! From insects to infections, and polymers to pacemakers, we've accidentally discovered some pretty cool stuff. Watch this new episode of SciShow, hosted by...
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5 Unexplainable Mysteries Explained by Science
Do you want to know how some of Earth's most fascinating mysteries have been solved by science? Join us and learn about 5 thought-to-be unexplainable mysteries—explained! Hosted by Hank Green.
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5 Measurements You Might Not Realize Are Named After Scientists
Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe.
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Slingshot Spiders Put Fighter Pilots to Shame
There are all kinds of ways that a spider can catch its prey, but few species are as extreme as the slingshot spider!
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Maybe Yawning Protects You From...Snakes?
Why is yawning contagious? It might be your body trying to keep on the lookout for snakes.
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If There's Acid Rain, Is There Basic Rain?
You've probably heard of acid rain: rain that's more acidic than normal because of pollution in the atmosphere. But, if rain can become more acidic, shouldn't it also be able to become more basic?
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How Do Pineapples Eat Us Back?
The pineapple. Sweet, juicy, and kind of painful. What is it about this tropical fruit that seems to bite us back?
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Do Zombies Float or Sink?
If you’re trying to figure out where to plan on sheltering during the zombie apocalypse, it’s essential to know whether zombies sink or float!
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Do Animals Cry?
Plenty of animals have tears that moisturize their eyes. But does that mean they’re sad? Quick Questions explains!
SciShow
Are You a Supertaster?
Some people have more taste buds than the rest of us. They’re called supertasters, and they can taste things others can’t. Special thanks to our tasters: Matthew Gaydos Lindsey Doe Julia Maes Hank Green