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TED-Ed
TED-Ed: The largest river on Earth is actually in the sky | Iseult Gillespie
The largest rainforest in the world, the Amazon, exists between two rivers — but not in the way you might think. At ground level, the Amazon River and its tributaries weave their path. But above the canopy, bigger waterways are on the...
TED-Ed
TED-Ed: The dark history of werewolves | Craig Thomson
Stories of werewolves have existed for thousands of years and continue to live on today. They're especially prominent in European literature and folklore, and often found in cultures where the wolf is the largest natural predator. Over...
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...
TED Talks
TED: Regenerative living can restore a broken world | Paul Hawken
A frog and a mockingbird changed Paul Hawken's life, kindling a devotion to protect and restore nature. Now, as one of the world's preeminent environmentalists, he advocates for regeneration — a calling and action plan for the world to...
SciShow Kids
How Will We Get To Mars? | Let's Explore Mars! | SciShow Kids
Mars has a ton of amazing features waiting to be explored, but we have to get there first. Thanks to our partners at the Boston Museum Of Science for helping us think about everything we need to plan a trip! Squeaks and Jessi would love...
SciShow Kids
A Halloween Candy That Comes From Bones and Bugs! | SciShow Kids
Today, Jessi and Squeaks learn about some common (and maybe even spooky) ingredients used to make candy, including what might be the most famous Halloween candy of them: Candy Corn!
Second Grade Next Generation...
Second Grade Next Generation...
MinuteEarth
Why Is There So Much Land In The North?
Most of Earth’s land is currently in the northern hemisphere because we happen to exist in a time where uneven heating in the mantle has pushed many continental plates northward.<br/>
SciShow
Growing Bacteria in Space Stations | Compilation
Bacteria is enormously resourceful and will find a way to grow just about anywhere it can, and that includes space stations. Here's a compilation of how that's happened in the past and how we've handled it!<br/>
SciShow
Atlas: The Little Rocket That Still Can
In 1962, John Glenn went into orbit on an Atlas rocket, and thus began a family of rockets that lasted for 60 years!
SciShow
How Distant Stars Let Us See the Solar System Up Close
Occultations may sound spooky, but in actuality they can inform us of some of the most unknown parts of the universe.
SciShow
How Do You Date a Star?
Figuring out the age of a blinking speck in the sky is a difficult feat, especially if considering how many types of stars there are. This is where a Hertzsprung-Russell meets a gyrochronologist.
SciShow
Is Our Solar System Missing Moons?
You might be pretty confident that when a moon is there it’s there to stay, but that’s not always the case. Moons may have a history of disappearing.
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.<br/>
SciShow
The Island Made Of Gemstones
Zabargad Island in the Red Sea is so crusted with peridot that it's fair to say the place is literally made of it. <br/>
PBS
How a Mass Extinction Event Created the Amazon
The Amazon rainforest of South America is a paradise for flowering plants. But long ago, the landscape that we now think of as the Amazon looked very different. And would you believe that the entire revolution of the Amazon began with...
PBS
How We Know The Earth Is Ancient
In astronomy we talk about billions of years like it’s no big deal. But how can we be sure about timescales so far beyond the capacity for human intuition? Our discovery of what we now call deep time is very recent - as recent as our...
PBS
How We Know The Universe is Ancient
The universe is precisely 13.8 billion year old - or so our best scientific methods tell us. But how do you learn the age of the universe when there’s no trace left of its beginnings?
PBS
How Do We Know What Stars Are Made Of?
Pin-pricks in the celestial sphere, through which shines the light of heaven? Or gods and heroes looking down from their constellations? Or lights kindled above middle earth by Varda Elbereth and brightened with the dew of the trees of...
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...
PBS
Is Earth's Magnetic Field Reversing?
Earth’s magnetic field protects us from deadly space radiation. What if it were drastically weakened, as a precursor to flipping upside down? I mean, it has before … many, many times..
Spaceship Earth has a literal deflector...
Spaceship Earth has a literal deflector...
PBS
How To Become an Astrophysicist + Challenge Question!
Do you want to major in Astrophysics? Are you thinking about becoming (or ever just wondered how one becomes) an Astrophysicists? Do you want to know Matt O’Dowd’s origin story? Then buckle up and enjoy the ride and try your astrophysics...
PBS
Can We Survive the Destruction of the Earth? ft. Neal Stephenson
What do we do to protect ourselves from extinction level events? And what if some of those events are unavoidable? Can we survive adrift in space? Find out in this episode of Space Time.
PBS
Could the Universe End by Tearing Apart Every Atom?
The universe is expanding, and that expansion is accelerating. We don’t know what’s causing that acceleration, but that hasn’t stopped us from giving it a name. We call this unknown influence dark energy. The observed acceleration is,...
PBS
How Far Beyond Earth Could Humanity Spread?
We humans have always been explorers. The great civilizations that have arisen across the world are owed to our restless ancestors. These days, there’s not much of Earth left to explore. But if we look up, there’s a whole universe out...