MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
TED Talks
Beyond the Stars: Embracing Curiosity and the Search for Extraterrestrial Life
Astrophysicist Avi Loeb believes we are likely not alone in the universe. He criticizes the approach of simply waiting for contact through radio signals, suggesting instead that we should actively search for evidence of other life. He...
TED Talks
TED: How AI is unlocking the secrets of nature and the universe | Demis Hassabis
Can AI help us answer life's biggest questions? In this visionary conversation, Google DeepMind cofounder and CEO Demis Hassabis delves into the history and incredible capabilities of AI with head of TED Chris Anderson. Hassabis explains...
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
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 Universe’s Second, Bigger Bang
In 2023, a team of researchers proposed that our universe experienced not one, but TWO Big Bangs about a month apart from one another. The first for the stuff described by our Standard Model of Particle Physics. And the second for that...
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: Life lessons from Beethoven's Symphony No. 9 | Benjamin Zander
Legendary conductor Benjamin Zander explains his view on the difference between "positive thinking" and "possibility" (one's a fraud; the other's the real thing, he says) and intersperses delightful stories from a lifetime in music with...
TED Talks
TED: Let's reframe cancel culture | Sarah Jones
Cancel culture launched a reckoning that was long overdue — but that doesn't mean it's getting everything right. Filmmaker and actor Sarah Jones slips in and out of various characters as she shares her personal experience with cancel...
TED Talks
TED: How stem cells orchestrate healing — and how to speed it up | Kevin Stone
From synthetic embryos to lab-grown skin, we live in a brave new world of stem cell advances. So why can it still take years to recover from injury? Orthopedic surgeon Kevin Stone is working to accelerate the body's healing response so...
PBS
Families with transgender children struggle to navigate wave of anti-trans politics
Texas is the largest state in the country to ban transition-related medical care for minors, joining 19 other states that have restricted access. Laura Barrón-López recently spent time in Texas to learn more about the law and spoke with...
Be Smart
The Evolutionary Purpose of Fun
Animals as simple as bees and as complex as you and me… like to have fun. But what’s the point of fun? Do all animals have fun? And for that matter, what is fun?
TED-Ed
TED-Ed: The merciless mercenaries of the Italian Renaissance | Stephanie Honchell Smith
During the 14th and 15th centuries, mercenaries known as condottieri dominated Italian warfare, profiting from— and encouraging— the region's intense political rivalries. As rulers competed for power and prestige, their disputes often...
TED-Ed
TED-Ed: Do mosquitos actually bite some people more than others? | Maria Elena De Obaldia
Some swear they're cursed to be hunted by mosquitos while their close-by companions are regularly left unscathed. Are mosquitos really attracted to some people more than others? And if so, is there anything we can do about it? Maria...
TED-Ed
TED-Ed: How to enter flow state | TED-Ed
Flow is more than just concentrating or paying attention; it's a unique mental state of effortless engagement. And those who more frequently experience flow report higher levels of positive emotions, creativity, and feelings of...
SciShow
What Do Parrots Think They’re Saying?
You ever see a parrot mimicking humans words, and wonder if they really get what they're talking about? They're smarter than they look - there's a lot of meaning in every squawk and chirp that parrots make. Not bad for a bird brain.
SciShow
Adorable Dolphin Kiddos Play Like Us
Whether it's solo or with a friend, young dolphins love to partake in a bit of play.
SciShow
How Can Microbes Protect Crops From Drought?
Solving food shortages caused by droughts is a big challenge that may benefit from a tiny ally. Turns out that the microbes living in the soil around plants can give them a boost when water's scarce, which means more food for us, which...
SciShow
Should We Be Raising Kids Barefoot?
While most of us only think about our shoes in terms of how they complete our outfits, there's a lot more impact that your choice of footwear can have on your life. Turns out that shoes can change how your feet grow and develop. So is it...
SciShow
We May Have a COVID Vaccine in 2021, But Not Without Taking Risks
Right now, experts say a vaccine for COVID-19 is a year or more away. But as far away as it sounds, it’s only within the realm of possibility because scientists are speeding up the vaccine development process in surprising ways.
SciShow
Why We’ve Been Ignoring These Brain Cells | Great Minds: Ben Barres
Neurons often get all the credit for running the brain, but the work done by Ben Barres at Stanford University proved that glial cells are far more crucial to brain functioning than we had previously realized.
SciShow
Could We Breed Giant Spiders?
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?
SciShow
5 Things Mosquitoes LOVE
Have you ever wondered why you get bit by mosquitoes more than your friends? Why do mosquitoes love some people but not others? Join Hank Green for a new episode of SciShow and discover what exactly makes people mosquito magnets!
TED-Ed
TED-Ed: Is it normal to talk to yourself? | TED-Ed
Being caught talking to yourself can feel embarrassing, and some people even stigmatize this behavior as a sign of mental instability. But decades of research show that talking to yourself is completely normal; most if not all of us...