In 1996, a British Airways plane flew from New York to London in a record-breaking two hours and fifty-three minutes. Today, however, passengers flying the same route can expect to spend no less than six hours in the air — twice as long....

Weather isn’t all sunshine and rainbows—sometimes it’s rain, and sometimes that rain looks like blood.

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Chris Kluwe wants to look into the future of sports and think about how technology will help not just players and coaches, but fans. Here the former NFL punter envisions a future in which augmented reality will help people experience...

Get your eclipse glasses ready because the a total solar eclipse is an astronomical event unlike any other.

In the middle of Florida's Apalachicola National Forest, a bizarre, almost magical scene is unraveling. Sliding a metal strip over a wooden stake, a master summoner is sending deep croaking noises reverberating throughout the area. And,...

Beware: Rives has a contagious obsession with 4 a.m. At TED2007, the poet shared what was then a minor fixation with a time that kept popping up everywhere. After the talk, emails starting pouring in with an avalanche of hilarious...

Salps are more than just strange balls of goo drifting through the sea—in fact, they’re more closely related to us than they are to jellyfish, and play a huge role in marine ecosystems and the global carbon cycle as the “vacuum cleaners...

Check out the "What is a Day?" interactive video at
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It's super cool!! (and made by Jasper Palfree & the MinuteEarth/MinutePhysics...

Bison are magnificent! Join Jessi and Squeaks and learn all about America's National Mammal.

It's a bustling day in Pompeii. After a quick visit to the market, Fabia spots her brothers, Lucius and Marcus, crossing the Forum. The siblings begin discussing Lucius' wedding — but a deafening boom interrupts them. They watch Vesuvius...

You like space exploration, and we like space exploration. So why aren't we investigating our closest to galactic neighbor, the triple star system Alpha Centauri? Is it time to give interstellar travel a shot? How would we do it? Hank...

In tropical seas, flying fish leap out of the water, gliding for up to 200 meters, before dipping back into the sea. In the Indo-Pacific, a hunting sailfish swims up to 110 kilometers per hour. These feats are made possible by a fish's...

Jason Fried has a radical theory of working: that the office isn't a good place to do it. He calls out the two main offenders (call them the M&Ms) and offers three suggestions to make the workplace actually work.

If the earth is spinning to the east at 1000 miles per hour... why can't we fly west more easily?

Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT -- or the equation Distance = Rate x Time -- we can calculate their rates, using the distance they traveled and the time they took....

Don't bury your head in the sand for this one. We've got some odd ostrich facts for you!

Hank tells the story of the mysterious star known as "Methuseleh," and why scientists think that it is the oldest known star in the universe.

The International Space Station is roughly the size of a six-bedroom house and weighs more than 320 cars -- it's so large that no single rocket could have lifted it into orbit. Instead, it was assembled piece by piece while hurtling...

Time travel is a staple of science fiction stories, but is it actually possible? It turns out nature does allow a way of bending time, an exciting possibility suggested by Albert Einstein when he discovered special relativity over one...

We all know that warm air rises, but how does this scientific fact influence our weather and create those flows of air molecules that we know of as wind? In this episode of SciShow, Hank explains where wind comes from, what factors...

In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And they can do this all while achieving sustained hovering flight— an...

There are all sorts of flying birds, but some of the world's biggest are ones that stick to the ground, like the awesome ostrich!

How is it possible for air-breathing marine mammals like sperm whales and elephant seals to hold their breath for so long?

In 1967, researchers gathered to answer a long-running scientific question: just how long is a second? It might seem obvious at first. A second is the tick of a clock, the swing of a pendulum, the time it takes to count to one. But how...