Be Smart
What Synesthesia Feels Like
New ReviewDid you know some people 'see' letters in color or 'taste' music? In this video, we’ll talk about synesthesia, how it works in the brain, and why some people experience these fascinating sensory connections while most of us don’t.
TED Talks
Can AI help us speak with wolves? | Jeffrey T. Reed
Why do wolves howl? With the help of AI, we're getting closer to an answer. Linguist and software engineer Jeffrey T. Reed shares his research on wolf sounds in the wild, revealing the surprisingly complex range of vocalizations — barks,...
TED Talks
How to feed 10 billion people — without destroying nature | Andy Jarvis
Feeding 10 billion people without wrecking the planet means rethinking protein, from plant-based and fermented foods to lab-grown meat that tastes like the real thing. Presenting an exciting menu of sustainable options, food futurist...
TED-Ed
TED-Ed: This mushroom will kill you before you know what’s happening | Michael Beug
Humans have known about the toxicity of death cap mushrooms for millennia. Yet they continue to pose a significant threat to unsuspecting foragers and mushroom hunters throughout the world. Today, death caps are responsible for more than...
Bozeman Science
The Hierarchy of Life
Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...
SciShow
Wait, We JUST Banned Asbestos?
Amphibole asbestos has been (mostly) illegal in the United States since 1989. So why is the EPA just banning chrysotile asbestos in the year 2024? And is chrysotile really safer?
MinuteEarth
In The Future, Death Will Be Different
In the future, humans will likely die of a very different suite of causes than we do now, thanks to advances in healthcare, an aging population, and changes in the environment.
PBS
Researchers find strong relationships protect long-term health and happiness
A decades-long Harvard study has concluded that good relationships and close friendships are the key to lifelong health and happiness. Ali Rogin speaks with Dr. Robert Waldinger, a clinical professor of psychiatry at Harvard Medical...
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...
SciShow
The Return of Thalidomide
Thalidomide is the infamous drug at the heart of one of the world's worst drug safety catastrophes in modern medicine. And yet, more recent research is finding that thalidomide is still worth using, despite the risks. So what makes this...
SciShow
Can We Treat Alzheimer's With Period Blood?
From diabetes to Alzheimer's, there's a lot that we hope to be able to treat using stem cell therapies. But the stem cells we use tend to be hard to come by. But it turns out there's a new source of stem cells that has researchers...
MinuteEarth
The Plant You Don’t Have To Water
Some plants can drink water from the air - and that has some weird effects on the forests where they live.
Amoeba Sisters
Biomolecules (Updated 2023)
Explore the four biomolecules and their importance for organisms and the structure and function of their cells! This 2023 UPDATED Biomolecules Amoeba Sisters video has some more detail and improved art from the 2016 Amoeba Sisters...
SciShow
What are Blood Types?
Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.
SciShow
Why It Actually Took 50 Years to Make COVID mRNA Vaccines
The FDA recently approved two mRNA vaccines for COVID-19, but it was a challenge to make this type of vaccine work. And it took decades of research to get us to the point where scientists could make those vaccines as quickly as they did.
SciShow
Wheezy Waiter on Movie Science, Mutant Flu Facts, and 2 Sounds You've Never Heard!
Wheezy Waiter announces the SciShow nominees for "Worst Science in a Film," & Hank talks about the bird flu and shares two sounds that had never been heard by human ears until very recently.
SciShow
Why NASA Uses Satellites and Airplanes to Study Frogs
Why NASA Uses Satellites and Airplanes to Study Frogs
SciShow
Have We Discovered a Cure for Cancer... on Accident?
Is there actually a cure for cancer? A universal cure would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident. Watch this new episode of SciShow and find out more! Hosted by: Hank...
SciShow
Do Those Glasses Really Fix Colorblindness?
You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it! Hosted by: Hank Green
SciShow
The Science of Men
Learn about the history of dudes, and a new theory about deep voices in this new episode of SciShow News. You know, science... bro... stuff. Hosted by: Hank Green
SciShow
How Plant Grafting Actually Works and Why It's So Cool
Have you heard of plant grafting? With this age-old trick, you can get a tree to bear fruit in half the time, not to mention a myriad of other miracles! Learn all about what grafting can do for you in this SciShow episode hosted by Rose...
SciShow
How Much Junk Is in Your DNA Trunk?
The human genome is 3.2 billion base pairs long and contains around 20,000 genes, but how much of that is garbage? Hosted by: Hank Green
SciShow
Thank Goodness for Chlamydia(e)
The group of bacteria known as Chlamydiae doesn't do much to endear itself to us since these bacteria can cause a variety of illnesses. But it turns out that we may have Chlamydiae to thank for life as we know it!
SciShow
How Would We Stop a Nuclear Missile?
Most of us are hoping that any nuclear threats are just empty threats, and getting at the facts about ICBMs can be difficult. But what would actually happen if someone launched a nuclear weapon?