SciShow
The Gems That Solved a Himalayan Mystery
January babies, rejoice! This month's SciShow Rocks Box video is the story of garnets, and how these fabulous gemstones help us solve geological mysteries, from the Italian Alps to the Himalayas.
SciShow
Finding True North Is Harder Than You Think
Sure, you can point to the geographic north pole on a globe. But getting there, even with fancy equipment like GPS, isn't so straightforward. So scientists are looking into a navigation tool some animals use naturally.
SciShow
Does Evolution Happen Gradually or Suddenly?
Do new traits in evolution happen slowly, or all at once? Two new studies in the journal Science may finally help us solve this mystery.
SciShow
The Arctic Is Drowning in Plastic
Many people picture the Arctic as a pristine icy wilderness. But when it comes to microplastics, it's one of the most polluted places on Eart
SciShow
How Ancient Babylonians Predicted Eclipses
There's an eclipse coming up in April of 2024! You'd think it takes a lot of modern technology for us to know about it, but it turns out that humans have been able to predict eclipses for nearly three thousand years. And we've been using...
SciShow
Why Volcanologists Hate the Dark
You might have heard of the ongoing volcanic eruptions near Grindavík, Iceland. You might not have heard that it's hard to monitor a volcano in the dark. We'll talk about why an Icelandic winter is the worst time for monitoring equipment...
SciShow
The First CRISPR Gene Therapy Is Here
CRISPR is a powerful gene editing tool, but its uses have been purely scientific until now. In 2023, US and UK drug regulators including the FDA approved Casgevy, a CRISPR/Cas9-based therapy for sickle cell disease and beta-thalassemia....
SciShow
The Last Living Thing Won't Be a Cockroach
There are several ways the world could end, and scientists have given a lot of thought to what the last living thing will be.
SciShow
How Long Have We Been Playing with Fire?
So we know that humans are pretty good at making fires, but how long have we been barbecue pit masters? Turns out the evidence is hardly a smoking gun.
SciShow
I Had Chemo and My Hair Came Back Curly!
Many patients experience changes to hair texture after chemotherapy known as "chemo curls." But why do they happen, and how many people get chemo curls? This episode will explain.
SciShow
$1 Placebo vs $10,000 Placebo (It Matters)
Some placebos are far more effective than others, and they can lead to real chemical changes in the body.
SciShow
Cosmic Tails (That Aren’t From Comets)
Comets are famous for having space tails. But they're not the only ones! Asteroids, planets, and even stars can rock tails of their own.
SciShow
What Does My Cancer Diagnosis ACTUALLY Mean?
You've probably heard of cancers having stages, but what do all those stages really mean? This video is a 101 to explain cancer diagnosis and decode the jargon for you. And even if you've heard of the numerical stages, you might not know...
SciShow
Actually Understand Type 2 Diabetes
Type 2 diabetes affects over 400 million people. It can be confusing and difficult to manage, so in this video we'll answer all your questions about type 2 diabetes, including what to eat, what affects your risk, and is there a cure.
SciShow
I’m A Genetic Engineer. I’m Also a Fish.
Horizontal gene transfer might not be the flashiest of names, but animals are using it to create genetic hybrids without a human in sight. Like frogs rocking the DNA snippets of snakes, and fish sharing antifreeze superpowers.
SciShow
Why We'll Never Build a Perfect Clock
We can make clocks that keep accurate time for millions of years. We can also make clocks with such high resolution they tick one billion billion times per second. So why can't we make a clock that does both?
SciShow
The Rarest Objects in The Solar System Are from...Elsewhere...
In 2017, astronomers discovered 'Oumuamua — the first definitive interstellar visitor to our solar system. But definitive evidence of space rocks that don't just visit but join our solar system is a little more elusive.
SciShow
Attempting De-Extinction
There's a group trying to save the functionally extinct northern white rhino using in vitro fertilization. But the ethics around using assisted reproductive technologies to save endangered animals are far from simple.
SciShow
How Do We Figure Out The Sex ... Of A Fossil?
We know a lot about fossils, but there's one thing about all those long-dead organisms that's hard to figure out -- their sex. So let's talk about the ways we can try to determine whether those T. rex bones came from a male or a female,...
SciShow
Inbreeding with Yourself
*At the time this video was made, it had been reported that Charlotte the round ray was pregnant. However, new information has come out that she was never pregnant with parthenotes, and in fact had a reproductive disorder, which is a...
SciShow
Four Weird Ways to Make Electricity
When you think of newer ways to make electricity, solar cells and wind turbines may come to mind. But scientists can make the stuff from just about anything. And they're working on some truly bizarre ways to generate power.
SciShow
Crying is Extremely Weird
If you want to learn more about how our brain reacts to other people’s emotions, start your college journey with Study Hall! Take a college course that starts on YouTube and earn credit before you even apply to college. Go to...
SciShow
The Alien Storm That Ate Itself
From cyclones to snowstorms, Earth is home to some spectacular weather events. But they're nothing compared to what you can find on the other planets in our solar system. Magnetic tornadoes? Ammonia mushballs? Let's (not literally) dive...
SciShow
How These Animals Lost Their Heads (And Bodies, and Butts)
You'd think that there are some features that, once an animal group evolved to have them, could never really go away, right? Well, Stefan is joined today by hosts from PBS Eons, Journey To The Microcosmos, and Bizarre Beasts to break...