SciShow
You Have Four Ages
A person's chronological age doesn't tell us much about the health of their body's various systems. That's why scientists are beginning to study biological ages, and it turns out there may be a lot of them.
SciShow
Octopuses Have a Favorite Arm
Most humans might be right-handed, but plenty of other animals have a preferred hand (or whatever they've got instead of hands) too. The more general term is lateralization, and it's found in everything from kangaroos to octopuses.
SciShow
Goodbye SOFIA, Thanks for All the Discoveries
SOFIA or The Stratospheric Observatory for Infrared Astronomy is coming to an end, but let's look back on some of the amazing discoveries of this flying telescope.
SciShow
How Distant Stars Let Us See the Solar System Up Close
Occultations may sound spooky, but in actuality they can inform us of some of the most unknown parts of the universe.
SciShow
Space Superlatives of 2022
As we wrap up 2022, we'd like to celebrate a few of the cosmic “winners” discovered this year, at least while they still hold their titles.
SciShow
Did Earth's Continents Come from Space?
Earth didn't always have the land beneath your feet, but what might have caused it to form is a bit of a mystery.
SciShow
This Toxic Liquid Telescope from the 1850s Is Finally Useful
Sometimes looking into a pool of a toxic liquid holds the secrets of the universe–or maybe just this one time.
SciShow
What That Famous Gorilla Suit Study Didn’t See
Inattentional blindness is a phenomenon where we can be so focused on a given task, we completely miss some pretty bizarre object cross our line of vision. Like a gorilla in the middle of a basketball game. But exactly why it happens is...
SciShow
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...
PBS
How To Detect a Neutrino
Why is there something rather than nothing? Well the answer may be found in the weakest particle in the universe: the neutrino. For over half a century Fermilab has been the premier particle accelerator facility of the United States and...
PBS
Is The Universe Finite?
Every time you walk out the door, light from the Big Bang strikes your face, enters your eyes. This is the cosmic microwave background radiation - the left-over heat-glow from the very early universe. We can’t see this microwave light...
PBS
Was This Dinosaur a Cannibal?
Paleontologists have spent the better part of two decades debating whether Coelophysis ate its own kind. It turns out, the evidence that scientists have had to study in order to answer that question includes some of the strangest and...
PBS
The Real Story Of The Dodo Bird's (Current) Extinction
What’s the real story of the dodo? How did such a unique bird even evolve in the first place? And are we really responsible for its extinction?
PBS
The (Ovi)Raptor That Paleontologists Got Wrong
Paleontologists found a small theropod dinosaur skull right on top of a nest of eggs that were believed to belong to a plant-eating dinosaur. Instead of being the nest robbers that they were originally thought to be, raptors like this...
PBS
When a Billion Years Disappeared
In some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earth’s history might be linked to a fracturing supercontinent, out-of-control glaciers, and maybe the...
PBS
Study shows costly weight loss drug may also cut risks of heart attacks
The nation’s obesity epidemic is growing. Nearly 42 percent of all American adults are considered obese. Now, new findings about the FDA-approved weight-loss drug Wegovy may lead to even more demand for a medication that can be both...
PBS
Inside the African American studies class praised by some and fiercely opposed by others
The school year is coming to a close and with it, the first year of Advanced Placement African American studies, an interdisciplinary class by the College Board that has attracted praise from professors and also fierce opposition from...
SciShow
Why Do Animals Eat Their Own Babies?
It might seem pretty dark from a human point of view, but for some animals, feasting on your own offspring is the best way to ensure you and your other babies might have a more successful life.
SciShow
Is MDMA the Solution to PTSD?
What if the treatment for one of the most daunting psychological conditions were a party drug? New research suggests that might be coming.
SciShow
Does COVID Mess With Your DNA?
As more and more are infected with COVID-19, there's a growing group of people who have what's called Long COVID, meaning they still have symptoms for weeks or months after getting sick. While we still don't know for sure the cause of...
SciShow
Parasites Are Good, Actually
Parasites give most of us the heebie-jeebies. But new research shows they're pretty dang important for ecosystems, and climate change is putting them in danger. So here's some of the reasons you should care about those guys!
SciShow
Why We Stopped Making Progress on Malaria
After decades of improvement, the number of malaria deaths is on the rise again. So scientists are experimenting with a new kind of mosquito control, and it's not an insecticide.
SciShow
The Giant of Nanoscience
Mildred Dresselhaus was a giant in the field of nanoscience. She didn't invent anything you have in your home right now, but she made it possible for us to have self-charging phones, smarter refrigerators, and more.
SciShow
Why You Have to Blink to Walk
When we picture the first tetrapods, or land vertebrates, crawling out of the ocean, we probably imagine they need legs. But evolution also had to bestow another important adaptation before they could leave the water: blinking!