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Topic: Earth
How far would you have to go to escape gravity?
Every star, black hole, human being, smartphone and atom are all constantly pulling on each other due to one force: gravity. So why don’t we feel pulled in billions of different directions? And is there anywhere in th...
Airglow & the secrets behind Earth’s colorful ionosphere
What does our planet look like from space? Most are familiar with the beloved images of the blue marble or pale blue dot -- Earth from 18,000 and 3.7 billion miles away, respectively. But closer to home, within the ne...
Revealing the true scale of the universe with VFX
When watching a video like this classic planet and star size comparison, do we really have a clear understanding of just how small we are in the scale of the universe? To better understand the size of our largest star...
Which life form really dominates Earth?
In 2018, there are around 7.6 billion people on the planet, but weigh us all together on a giant scale and we only make up 1/10,000 of Earth’s biomass. What is biomass? And what life forms dominate the rest of the pla...
Space Volcanoes, an AMNH Shelf Life 360 video
Here on Earth, volcanic eruptions are dramatic manifestations of our dynamic planet. Elsewhere in our solar system, awe-inspiring extraterrestrial volcanoes—both active and extinct—provide clues to planetary formation...
Why Earth Has Two Levels
Earth’s outer shell is made of two materials whose different densities and thicknesses give rise to two distinct “levels” on the planet’s surface. And evidently these two materials—continental crust and more dense ...
Does ‘the ozone hole’ hold the secret to fixing climate change?
We don’t hear much about 'the hole' in the ozone layer anymore. That’s because we’ve all but fixed it, thanks to consumer choices and a massive international agreement called the Montreal Protocol. Can we learn anythi...
Why do we confuse weather and climate?
Weather and climate are not the same things, yet we might get confused between the two. What is weather and what is climate? And how is climate like the game Plinko? In this episode of PBS Digital Studio's Hot Mes...
Dr. Jane Goodall’s Google Doodle for Earth Day 2018
In 1970, 20 million Americans came together to deliver a message: our environment sustains us, and so we too must work to sustain it. Since then, Earth Day has spawned a movement of millions across the globe working t...
How long have we known about climate change?
What is climate change, how long have we known about it, what will its effects be, and what can we do to help solve it? Hot Mess is a new PBS Digital Studios YouTube series from hosts Miriam Nielsen, Talia Buford, and...
Arena, a fast-paced look at the earth from above
Using images captured by Google Earth, Ireland-based artist Páraic McGloughlin speeds through scheme after scheme of human-made shapes and structures from high above in the experimental film short Arena. From McGlough...
Evolution 101 & how natural selection works – NOVA PBS
What is evolution, how has it created Earth's biodiversity, and how can a phylogenetic or evolutionary tree—a tree of life—help us better understand how different species are related? Learn some basics from this Evolu...
Speed up geologic time with a DIY squeeze box
Build. Observe. Play in the sand and dirt. Making your own easy-to-build squeeze box is fun for lots of different reasons, including educational ones. This Science Snacks video with Eric Muller from The Exploratorium ...
Where does Space begin?
How far away is Space from where you are at this moment? How much closer is it when you're flying in a plane? And how close is the International Space Station to Earth if we can spot it in the sky? Travel up, up, u...
Falcon Heavy & Starman, a montage of SpaceX’s historic test flight
On February 6, 2018, SpaceX successfully launched a heavy-lift rocket called Falcon Heavy, making it "the world's most powerful booster since NASA's Saturn V." For dummy payload, a Tesla Roadster belonging to SpaceX f...
Making Artificial Earthquakes with a Four-Tonne Steel Ball
In Göttingen, Germany, there's a four-tonne steel ball that can be raised up a 14-metre tower -- and then dropped in less than two seconds, crashing back to earth. It makes tiny, artificial earthquakes. Tom Scott v...
How deep have humans dug into the Earth?
From the deep end of Olympic swimming pools to The Paris Catacombs to Switzerland's Gotthard Base Tunnel to the Z-44 Chayvo Well in eastern Russia, travel down into the planet via this surprising Tech Insider animatio...
Hunga Tonga-Hunga Ha’apai, The Birth of a New Island
In late December 2014 into early 2015, a submarine volcano in the South Pacific Kingdom of Tonga erupted, sending a violent stream of steam, ash and rock into the air. When the ash finally settled in January 2015, a n...
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