SciShow
How Do We Know How Old the Earth Is?
In the wake of World War 2, Clair Patterson embarked on a scientific quest to find out how old the Earth really is. His hard work paid off, but it also revealed a modern danger.
SciShow
Hayabusa: The Artificial Meteor Launched From An Asteroid
After we retrieved samples of the moon, it was quite a while before we could land on anything else and bring bits of it back home.
SciShow
How to See Really Tiny Things Without Killing Them
Where would biology be without microscopes? But for a long time, in order to see the smallest bits of life, that life had to be dead. Then along came Atomic Force Microscopy, which let us observe things like DNA and proteins moving...
SciShow
These 100-Million-Year-Old Microbes Are Still Alive!
Researchers have found ancient communities of microbes that have been buried deep, for a hundred million years! This discovery might be the oldest living thing on Earth, and could even expand the search for life on other planets.
SciShow
How Dogs Can Smell When You're Stressed
Did you know that dogs can tell when you're stressed out? But how do they know? Turns out they can smell it! Join Hank for a new episode of SciShow and learn all about it! Hosted by: Hank Green (he/him)
SciShow
Why Carbon Dating Might Be in Danger
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
SciShow
What Happens When Matter is Pushed to the Extreme
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
SciShow
4 Ways CRISPR Is More Than Just Gene Editing
While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more.
SciShow
Is There DNA in Dirt?
You know about fossils, but what other secrets are lurking in the ground beneath our feet?
SciShow
Why Days Are Getting Longer
You can complain about having the longest day ever today, and here is the science to prove it!
SciShow
Abundant Water on Mars, and Mongols Rule!
This week on SciShow news Hank explains what Curiosity has found, . . .water on Mars!
TED-Ed
TED-Ed: What happens if an engineered virus escapes the lab? | TED-Ed
Since the 1970s, researchers have engineered superbugs. While this research could help us prepare for future outbreaks, the stakes of this work are extremely high: if even one dangerous virus escaped a lab, it could cause a global...
SciShow
Where's My Bloodless Blood Sugar Monitor
There are about 450 million diabetics around the world, and while we do already have a reliable way of measuring blood sugar, it requires patients to prick their finger each time they want a reading. Is there a better way?
SciShow
Bioprecipitation: How Bacteria Makes Snow
Raindrops and snowflakes generally start to form around something else in the air, like a speck of dust, but sometimes that something else is bacteria.
Crash Course
How Do We Know We're Sick? Crash Course Outbreak Science
Sometimes, diagnosing patients is pretty easy, but other times... not so much. Luckily, in a medical setting we have tools that can help us figure out what's wrong with patients, and how to help them. In this episode of Crash Course...
SciShow
How Studying Bacteria Almost Kept Us From Discovering the Flu
Today we know pathogens -- viruses, bacteria, and certain other microbes -- are responsible for many diseases. But linking specific diseases to the microbes that cause them has been surprisingly tricky, and some research practices lead...
SciShow
Why Don't We Have Cancer-Sniffing Dogs?
There are a lot of stories out there about dogs who seemed to smell lung cancer on their owner’s breath, and a recent study found that some dogs can detect lung cancer in blood samples with astonishing accuracy. So why aren’t there...
SciShow
4 Ways CRISPR Is More Than Just Gene Editing
While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more. Chapters CREATING ANTIBIOTICS 1:07...
TED-Ed
TED-ED: Could a breathalyzer detect cancer? - Julian Burschka
How is it that a breathalyzer can measure the alcohol content in someone’s blood, hours after they had their last drink, based on their breath alone? And could we use this same technology to detect disease by analyzing a person’s breath,...
SciShow
Is Urine Really Sterile?
Despite what you might've seen on some wilderness-survival show, there's increasing evidence that your pee isn't sterile. So don't do anything crazy with it. Sci Show explains!
SciShow
3 Great Discoveries of 2013
Hank lays out three of the most awesome discoveries in science in 2013, from the fields of physics, space science and anthropology.
SciShow
Cheap, Fast, Easy, AND Accurate? New COVID Test Might Do it All | SciShow News
Traditional COVID tests take time and specialized personnel, but a new kind of test that uses nanotechnology could expedite the process.
SciShow
What Can We Learn from Baby's First Poop?
Poop can be pretty gross, but newborn poop is in a league of its own! We can learn a lot from a baby’s first poop, which forms before it's even had its first meal.
SciShow
Could We Spot Alzheimer’s Early With RNA? | SciShow News
Detecting diseases early can be a big help when it comes to treating them, and researchers may have gotten one step closer to diagnosing Alzheimer's with a simple blood test.