SciShow
How Tongues Helped Vertebrates Conquer Land
You might not think much of your tongue, but without it, we may have never conquered dry land and the world as we know it.
SciShow
How Science Is Trying to Understand Consciousness
Figuring out exactly what consciousness is and whether or not it could emerge in non-human things has stumped us for centuries. Now, analyzing it from a scientific perspective might not just be possible, but necessary.
SciShow
6 Mysteries Geologists Can’t Explain — Yet!
Explaining strange Earth geology is often straightforward — combine a volcanic eruption a dash of erosion, and boom, you’ve got a striking cliff! But not all the features on this planet are so easy to figure out. From the ground randomly...
SciShow
P-values Broke Scientific Statistics—Can We Fix Them?
A little over a decade ago, a neuroscientist found "significant activation" in the neural tissue of a dead fish. While it didn't prove the existence of zombie fish, it did point out a huge statistical problem.
SciShow
The Sun’s Electric Field Isn’t as Strong as We Thought!
The sun shapes the solar system in many ways, including through its mysterious solar wind, which was thought to be pushed through the force of the sun’s electric field. Recent observations revealed, though, that that hypothesis may not...
PBS
Supervoids vs Colliding Universes!
If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast...
SciShow
This Worm's Gut Has No Way In or Out
There are plenty of creatures out there with only one opening to handle both taking in food and getting rid of waste. But there’s at least one animal out there that doesn’t have a gut opening… at all. How does that even work?!
SciShow
When Sex Makes You Sick Post Orgasmic Illness Syndrome
Generally speaking, orgasms are pretty wonderful. But for some, they can be literally sickening.
SciShow
Dark Matter May Have Come Before the Big Bang! SciShow News
A new study provides mathematical evidence that dark matter could be much older than we thought and we've found a weird glitch in a neutron star.
TED Talks
Naomi Oreskes: Why we should trust scientists
Many of the world's biggest problems require asking questions of scientists -- but why should we believe what they say? Historian of science Naomi Oreskes thinks deeply about our relationship to belief and draws out three problems with...
SciShow
An Unexpected Tool to Track Ancient Civilizations...Bacteria
Scientists have used a bacteria that commonly infects us to track how ancient humans spread to the Americas from Siberia. And other scientists have discovered a new species of hyrax in the forests of Africa by listening to their barks...
SciShow
This Planet Survived the Death of its Star
When stars die, they tend to take everything around them with them. But new evidence appears to show a planet orbiting a white dwarf, and we’re not sure how it survived! Plus, experiments designed to detect dark matter might be capable...
SciShow
Sleep: Why We Need It and What Happens Without It
What happens when you don't sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!
SciShow
Astrobiology & the Search for Alien Life
Hank talks about astrobiology - the study of and search for life in the universe off Earth. Right now, the field has more questions than answers, but all they all seek to answer that one fundamental query: are we alone in the universe?
SciShow
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...
SciShow
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.
SciShow
How to Predict the Odds of Anything
Statistics! They're every scientist's friend. But they can be easy to misinterpret. Check out this thought exercise with Hank to understand how some mental kung fu known as Bayesian reasoning can use stats to draw some downright...
SciShow
Why Is Yawning Contagious?
When you see someone yawn, you're probably pretty likely to follow suit. But what makes it so contagious?
SciShow
There's an Interstellar Asteroid Hiding Near Jupiter
We may have found another interstellar asteroid and scientists have some new ideas about how Saturn's moons got their weird shapes.
SciShow
Spelunking in the Uncanny Valley
With all the CGI cat-humans going around on the internet these days, it’s hard to deny the sense of yikes known as the uncanny valley. But what exactly is this phenomenon, and why do we feel it when we do?
SciShow
A Violent Origin Story for Tiny Space Diamonds | SciShow News
Scientists may have discovered some clues to two vastly different anomalies. Microscopic diamonds inside of meteors, and why ancient black holes are so massive.
SciShow
Why Do Humans Have Butts?
If you've been wondering why we have butts, wonder no more! We have an answer for you.
SciShow
The Mysterious Ridges Near Pluto's Heart
Astronomers may have figured out some cool geology on Pluto, and Barnard's star is back in the running for having a planet!
SciShow
Raccoons Don’t Really Wash Their Food
Raccoons are famous for "washing" their food, but this behavior, called dousing, isn't really about cleanliness.