MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
TED-Ed
TED-Ed: These animals can hear everything | Jakob Christensen-Dalsgaard
The world is always abuzz with sounds, many of which human ears simply can’t hear. However, other species have extraordinary adaptations that grant them access to realms of sonic extremes. And some of them don’t even have ears— at least,...
TED Talks
TED: Welcome to the world of audio computers | Jason Rugolo
In an exclusive preview of unreleased technology, designer and inventor Jason Rugolo unveils an entirely new kind of computer you can talk to like a friend. This "audio computer" — which can augment the sounds around you, translate...
TED Talks
TED: The unsung heroes fighting malnutrition | Shruthi Baskaran-Makanju
The pastoralists in Africa sustainably produce meat and milk to help feed the continent. But their way of life — and work — is under threat. Food systems advocate Shruthi Baskaran-Makanju explains how best to preserve these vital...
TED Talks
TED: 3 steps to better connect with your fellow humans | Amber Cabral
How can you effectively support people at work and in your community, especially when they're different from you? Inclusion strategist Amber Cabral shares three steps you can take to build connection — emphasizing that even small,...
TED Talks
TED: How business leaders can renew democracy | Daniella Ballou-Aares
How much should business leaders speak out about threats to democracy? It's a question many corporations are wrestling with these days. Business and democracy leader Daniella Ballou-Aares shows why companies have both the ability and the...
TED Talks
TED: When you inform women, you transform lives | Paige Alexander
Access to information is the key to unlocking human rights for all, says equality champion Paige Alexander. From educating female entrepreneurs on how to launch life-sustaining businesses to murals, billboards and other creative ways of...
SciShow
These Are The Coolest Fossils From 2023
It's that time of year where we round up all our favorite science discoveries of the year, and today, we're talking fossils. From a wild mosasaur with screwdriver teeth, to glittery gold fossils, and even a mammal-versus-reptile fight to...
SciShow
The Best Keyboard, According to Science
People have strong opinions about which kind of keyboard is best, but science has settled the debate.
MinuteEarth
You Can’t Actually Die Of Old Age
Despite centuries of death records to the contrary, “dying of old age” is not medically possible; instead, it’s just a convenient catch-all.
PBS
How some evangelical leaders are combating political radicalization in their congregations
Evangelical Christian leaders have sounded the alarm in recent years about problems of polarization and radicalization in their churches. Laura Barrón-López spoke to one pastor trying to shift the conversation.
SciShow Kids
Why Does Peppermint Taste So Cold? | SciShow Kids
Teachers and parents: scroll down to check out the Next Generation Science Standards (NGSS) for this episode!
TED-Ed
TED-Ed: The gory history of barber surgeons | Stephanie Honchell Smith
It’s a cold morning in 15th century France and you’re off to the barber for a shave and haircut. You hear the familiar sound of singing inside and eye a bowl of blood in the window. You grab a cup of ale and examine the array of teeth...
SciShow
Are Space Sounds Lies?
If a tree falls in space, and it's frequency is modulated by multiple octaves and digitized, does it make a sound?
SciShow
Eavesdropping On Other Worlds
We usually only get to use our sense of sight in exploring the universe, but that hasn’t prevented scientists from trying to listen in.
PBS
How the Smallest Animal Got So Simple
We tend to think that evolution only goes in one direction— toward getting bigger and more advanced. But that’s not always the case. This tiny, simple animal, the Myxozoans, (yes, animal!) evolved from something bigger and more complex.
TED Talks
TED: Why you should stop setting goals (yes, really) | Emmanuel Acho
In athletics, in business, in life, everyone sets goals. But that's not the way to excel, according to former NFL player Emmanuel Acho, now an author and TV sports analyst. Here's what he says to do instead.
TED Talks
TED: Could an orca give a TED Talk? | Karen Bakker
What if we could hear nature's ultrasonic communication -- and talk back? From a bat's shrill speech to a peacock's infrasound mating call, conservation technology researcher Karen Bakker takes us through a sound bath of animal noises...
SciShow
Animals Have Grammar Too - A Little Birdie Told Us
If you hear birds chirping in the trees, you might not think much of the different sounds you're hearing. But as it turns out, those tweets and chirps have a lot more in common with some of our complicated rules of grammar than you might...
MinuteEarth
When 90dB is LOUDER than 120dB
We often use decibels, a measure of sound pressure, to describe how loud something is - but loudness is caused by how we perceive sounds, and the two often don't line up.
SciShow
Could a Shirt Hear Your Heartbeat? | SciShow News
Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...
SciShow
Can Dogs Smell Fear?
We're taught to be cool around strange dogs because they smell fear, and that might be true, but your fear is probably freaking them out too!
SciShow
Is There Such a Thing As An Addictive Personality?
Some online quizzes would have you believe the idea that certain people have a specific “personality type”. But is an “addictive personality” a real thing?