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PBS
How Asteroids Set the Stage for Life on Earth
We may have planet-shattering asteroids to thank for the origin of life on Earth.
SciShow
How Ancient Glass Could Transport Life Between Planets
There's a rare material called Darwin Glass that Tasmanian Aboriginals have prized for centuries. And while it took Western researchers a while to figure out what it was and where it came from, once they got their heads around it, they...
TED Talks
TED: AI is dangerous, but not for the reasons you think | Sasha Luccioni
AI won't kill us all — but that doesn't make it trustworthy. Instead of getting distracted by future existential risks, AI ethics researcher Sasha Luccioni thinks we need to focus on the technology's current negative impacts, like...
SciShow
Did Earth's Continents Come from Space?
Earth didn't always have the land beneath your feet, but what might have caused it to form is a bit of a mystery.
TED Talks
TED: Climate action is on the cusp of exponential growth | Simon Stiell
Climate action is speeding up -- and we each have the power to push that transformation forward. As the head of the UNFCCC, the UN's entity supporting the global response to climate change, Simon Stiell points to clear social and...
SciShow
Why Can’t We Scoop All the Plastic Out of the Ocean?
Lots of people want to clean up the Great Pacific Garbage Patch, and plastics have a huge impact on ocean environments. But marine wildlife are already adapting to our plastic waste, which means cleaning it up isn't as simple as just......
SciShow
The Solar System Might Have a New Dwarf Planet! SciShow News
After observing what we thought was just a big asteroid in the asteroid belt, a team of astronomers now thinks this might qualify as a dwarf planet. And scientists had the chance to directly observe the collision of two neutron stars for...
TED Talks
David Wallace-Wells: How we could change the planet's climate future
The climate crisis is too vast and complicated to solve with a silver bullet, says author David Wallace-Wells. What we need is a shift in how we live. Follow along as he lays out some of the dramatic actions we could take to build a...
SciShow
How Bad Are Satellite Constellations for Astronomy? - SciShow News
Imagine being excited to use one of the world's most advanced telescopes, only to see bright streaks of light on every picture! This is a problem facing some astronomers as satellites fill up the night sky.
SciShow
The Chelyabinsk Meteor: What We Know
In this episode of SciShow, Hank explores what we now know about the meteoroid that streaked across Russian skies on February 15, 2013.
TED Talks
TED: How Indigenous guardians protect the planet and humanity | Valérie Courtois
If we take care of the land, the land takes care of us, says Indigenous leader Valérie Courtois. As climate change continues to devastate the planet, Indigenous guardians are helping to honor our responsibility to the land, monitoring...
SciShow
One-on-One Conversation with New Horizons Scientist
Hank interviews Dr. Alex Harrison Parker about New Horizons' Pluto flyby, what's next for the probe, and what we can anticipate learning about the solar system's history!
TED Talks
Écologie : comment commencer ?
Écologie : comment commencer ?
L’être humain est reconnu comme l’espèce la plus intelligente qui existe sur terre mais nous mesurons mal l’impact de nos actions sur l’environnement et ne savons pas bien le protéger....
L’être humain est reconnu comme l’espèce la plus intelligente qui existe sur terre mais nous mesurons mal l’impact de nos actions sur l’environnement et ne savons pas bien le protéger....
Bozeman Science
LS4D - Humans and Biodiversity
In this video Paul Andersen defines biodiversity and explains the impacts humans are having on the planet's biodiversity. Humans are impacting the variety of life on our planet through habitat destruction, invasive species, pollution,...
TED Talks
TED: How can we escape soaring energy bills? Stop using fossil fuels | Tessa Khan
As oil and gas companies continue to make record profits off of the same forces driving climate chaos, war and soaring energy bills, it's become clear that boom times for the fossil fuel industry are bad times for the rest of us, says...
SciShow
Why Are Some U.S. Cities Declaring Racism a Public Health Crisis?
In addition to being a serious social issue, racism is also a serious challenge to public health. In fact, over the last year and a half, dozens of cities have declared racism a public health crisis - and today, we here at SciShow will...
SciShow
How Moon Rocks Revolutionized Astronomy
Getting our hands on a few moon rocks radically changed our understanding of the solar system!
SciShow
5 Weird Reasons Not to Smoke
Hank gives you five MORE reasons why you should probably avoid smoking, or quit if you already smoke - in addition to those big ones you already know about. These are the weird reasons.
TED-Ed
TED-Ed: Why is it so hard to cure ALS? - Fernando Vieira
Amyotrophic Lateral Sclerosis (ALS), also called motor neuron disease and Lou Gehrig's Disease, affects about two out of every 100,000 people worldwide. When a person has ALS, their motor neurons - the cells responsible for all voluntary...
SciShow
Astronauts' Arch-Enemy: Dust
For astronauts, dust is no joke. On the moon and Mars, dust isn't at all like the stuff under your bed. It can be poisonous, corrosive, even made of razor-sharp glass. So future astronauts are going to need more than a dust buster to get...
SciShow
Lunar Impact
Hank tells us about the planned demise of two lunar satellites that have been collecting data for NASA, and have now reached the end of their mission.
PBS
Did Life on Earth Come from Space?
How did life on Earth get started? Did life on Earth originate on another planet? Either Mars, or in a distant solar system? Could Earth life have spread to have seeded life elsewhere? Let's see what modern science has to say about the...
SciShow
The Greenest Grocery Bag
It seems like a simple question with a straightforward answer, but when you look at the total environmental impact of each type of bag, things start to get a little complicated.
TED Talks
Anne Milgram: Why smart statistics are the key to fighting crime
When she became the attorney general of New Jersey in 2007, Anne Milgram quickly discovered a few startling facts: not only did her team not really know who they were putting in jail, but they had no way of understanding if their...