MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
TED Talks
TED: 5 tips for dealing with meeting overload | Cindy Solomon
Could this meeting have been an email? The phenomenon of "calendar creep," where meetings completely take over your work days, is wasting time, energy and productivity -- but you can take back control. Leadership expert Cindy Solomon...
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
The Only Moons That Trade Places
Saturn's moons Janus and Epimetheus were once thought to be the same moon. It turns out they're dance partners.
PBS
The Arrow of Time and How to Reverse It
Ever wish you could travel backward in time and do things differently? Good news: the laws of physics seem to say traveling backward in time is the same as traveling forwards. So why do we seem to be stuck in this inexorable flow towards...
PBS
What If Humanity Is Among The First Spacefaring Civilizations?
Half of the universe is filled with expansionist alien civilizations, and it’s only a matter of time before they’ll reach us. OK, that sounded a little sensationalist. But it’s also the conclusion of a recent astrophysics paper. Let’s...
TED-Ed
TED-Ed: Can zoos actually save species from extinction? | Nigel Rothfels
For thousands of years, native Takhi horses roamed the steppes of Central Asia. But by the late 1960s, their extinction seemed inevitable. To prevent this, scientists and zoos started a breeding program and soon began releasing new...
TED Talks
TED: 3 steps to build peace and create meaningful change | Georgette Bennett
As the child of Holocaust survivors and a World War II refugee herself, peace builder Georgette Bennett was stunned by the human toll and tragedy of the Syrian civil war. She got to work, bringing together historical enemies to build an...
PBS
Families Of Colombia’s Disappeared Endure ‘Never-Ending Grief’ And A Wrenching Search
In Colombia, an estimated 83,000 people have been forcibly disappeared since 1958. But peace accords between the government and the FARC, the country’s largest guerrilla group, in 2016 mandated that finding the missing was a necessary...
Curated Video
The Rev. Al Sharpton is leading a series of protests throughout the Manhattan on Wednesday. It's a response to the acquittals of three undercover detectives in the killing of, Sean Bell, an unarmed groom on his wedding day.
HEADLINE: Sharpton: Civil rights violated in Bell ruling
CAPTION: The Rev. Al Sharpton is leading a series of protests throughout the Manhattan on Wednesday. It's a response to the acquittals of three undercover detectives in the...
Curated Video
EGYPT: EGYPTAIR CRASH - PRESIDENT MUBARAK'S REACTION
English/Nat
Egyptian President Hosni Mubarak on Monday said he was shocked after first hearing the news of the crashed EgyptAir flight and said the sad news has deeply affected the country.
Mubarak thanked President Bill Clinton for...
Curated Video
US State Dept and White House briefings on Iran
White House Pool
1. Wide shot of White House Press Secretary Tony Snow entering briefing room
2. Snow at podium as journalist asks question
3. SOUNDBITE: (English) Tony Snow, White House Press Secretary:
"Well, first, I would resist...
Bozeman Science
Reaction Intermediates
In this video Paul Andersen explains how reaction intermediates are created in elementary steps and may not appear as either a reactant or product. Experimentation is used in Chemistry to identify reaction intermediates.
TED Talks
TED: How to share public money fairly | Maja Bosnic
We have the right to demand budgets to be equitable, to be fair, says economist Maja Bosnic. One way to get there is to make them gender-responsive. With examples from the nearly 80 countries around the world already factoring gender...
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...
Crash Course Kids
Bowled Over
So, variables. There are lots of them when trying to test an idea. The trick is to isolate one variable at a time to get reliable results every time. But, how do we do that? In this episode of Crash Course Kids, Sabrina shows us how to...
SciShow
Why Dancing Is So Helpful for Parkinson's
For millions of people with Parkinson’s disease, movement becomes much harder. But researchers have found that dance therapy may help them both physically and mentally.
SciShow
Do You Need 10,000 Steps a Day?
There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical,...
SciShow
Does Lactic Acid Really Cause Muscle Pain?
For decades, lactic acid has taken the blame for the muscle pain you feel when you exercise - but does it really deserve its bad reputation?
TED-Ed
TED-Ed: The Prison Break | Think Like A Coder, Ep 1 | Alex Rosenthal
This is episode 1 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
PBS
Should Space be Privatized?
Will the future of space exploration be guided by public or private entities? Which is better?
SciShow
The “Devil’s Staircase” Shows Why Earthquakes Are Hard to Predict
Devastating earthquakes happen every year, and it's difficult to predict when they will happen. But they do follow one mathematical pattern known as the Devil's staircase.
TED-Ed
TED-ED: Sunlight is way older than you think - Sten Odenwald
It takes light a zippy 8 minutes to reach Earth from the surface of the Sun. But how long does it take that same light to travel from the Sun's core to its surface? Oddly enough, the answer is many thousands of years. Sten Odenwald...
TED Talks
TED: The deadly legacy of cluster bombs | Laura Boushnak
The destruction of war doesn't stop when the fighting is over. Photographer and TED Fellow Laura Boushnak shares a powerful photo essay about the survivors of cluster bombs, people who encountered these deadly submunitions years after...