TED Talks
Beyond the Stars: Embracing Curiosity and the Search for Extraterrestrial Life
Astrophysicist Avi Loeb believes we are likely not alone in the universe. He criticizes the approach of simply waiting for contact through radio signals, suggesting instead that we should actively search for evidence of other life. He...
TED Talks
TED: The satellite helping slow climate change - right now | Millie Chu Baird
Meet MethaneSAT: the satellite circling Earth right now to track global emissions from methane: a highly potent, short-term greenhouse gas. Environmental advocate Millie Chu Baird details the heat-trapping side effects of a planet full...
SciShow Kids
Antarctica: The Coldest Place on Earth! | SciShow Kids
If you think it's cold outside where you are, you should try living in the coldest place on Earth: Antarctica! Learn why it's a desert even though it's very cold, and about awesome animals like seals and penguins.
TED-Ed
TED-Ed: The Nazis recruited to win the Cold War | Brian Crim
In May of 1945 the Third Reich was in chaos. Adolf Hitler was dead and German surrender was imminent. But while World War II was almost over, a new war was brewing. And the US was eager to recruit the smartest minds in Germany before the...
SciShow
We Don’t Know What the Sun Is Made Of
Unlike Earth, our Sun is a giant ball of mostly hydrogen and helium. Astronomers managed to figure that one out roughly 100 years ago. But after all this time, they still can't come to an agreement on what "mostly" means, precisely.
SciShow
Cosmic Tails (That Aren’t From Comets)
Comets are famous for having space tails. But they're not the only ones! Asteroids, planets, and even stars can rock tails of their own.
SciShow
The Alien Storm That Ate Itself
From cyclones to snowstorms, Earth is home to some spectacular weather events. But they're nothing compared to what you can find on the other planets in our solar system. Magnetic tornadoes? Ammonia mushballs? Let's (not literally) dive...
SciShow
One Weird Reason People Suck at Parking
Human territoriality results in some pretty ridiculous behaviors. And luckily, scientists have studied it in all kinds of situations.
SciShow
Our Galaxy May Be 10 Times Bigger Than We Thought
The Milky Way is often described as measuring 100,000 light years across and containing the mass of a trillion Suns. But our home galaxy is actually far bigger, and might be much less massive. Astronomers aren't sure what the exact stats...
SciShow
Why NASA Put The Moon In A Pool
NASA has been using swimming pools to train astronauts since the 1960s. The largest is the Neutral Buoyancy Laboratory (NBL), which holds roughly 9 olympic pools worth of water and has contained not just mockups of space station and...
SciShow
Photonic Propulsion: Mars in 3 Days?
We can get to Mars in 3 days, . . .sort of, maybe. In this episode of SciShow Space Reid Reimers explains the possibilities of photonic propulsion in use with space travel.
TED Talks
TED: How film changes the way we see the world | Ava DuVernay
People told me this was an unadaptable book, so the only logical thing to do was to try to adapt it, says writer, producer and filmmaker Ava DuVernay of her work taking the award-winning title "Caste" from page to screen. In conversation...
SciShow
Plasma, The Most Common Phase of Matter in the Universe
Get to know plasma, the most common, but probably least understood, phase of matter in the universe!
SciShow
Is JWST Living Up to the Hype?
The James Webb Space Telescope is the most ambitious space observatory ever launched, and nobody hyped it more than us. So is it putting in work? Oh, boy, yes. Yes it is.
SciShow
What Color Was the Big Bang?
If you could survive a trip to the very first moments of reality as we know it, what color would you see?
SciShow
The Biggest and Brightest Space News of 2023
It's that time of year where we reflect on the events of 2023 - and if you're like us, you're thinking about all the coolest space-y finds of the year. So here's the brightest, faintest, and most magnetic stuff we saw in space this year!
SciShow
Are Sharks Really Older Than the North Star?
If you've spent enough time on the internet, you may have stumbled upon the fact that sharks are older than Polaris, aka the North Star. But are they really? It turns out the truth is a little more complicated.
SciShow
This Simple Test Could Detect Half of All Cancers
Cancer is a complicated disease, and there's no simple blood test for early detection and screening to spot cancer in general. That might be changing thanks to LINE-1, a retrotransposon gene that doesn't do anything.
SciShow
The Universe Runs on Vibes
As much as we like to talk about vibes, actual vibrations underlie pretty much everything about the universe. From the patterns of galaxies created by the Big Bang to the existence of subatomic particles, here's how the universe runs on...
SciShow
Mercury Shouldn't Be Liquid. But It Is.
Mercury, a.k.a. quicksilver, is famous for being a liquid at room temperature...and also below room temperature. But you can't use a high school chem class to explain why. Instead, we need a little help from Einstein.
SciShow
The Zombie Planet at the Center of the Earth
For years, geologists have been searching for an explanation for two strange blobs of Earth's mantle that are denser than the rest. It turns out, they may not be original parts of Earth at all.
SciShow
Where Did the Moon Come From?
SciShow Space takes you to the moon! Learn about the competing theories about how Earth's closest neighbor formed.
TED-Ed
TED-Ed: Something weird is happening in our galaxy | Ashkbiz Danehkar
In 2010, NASA announced the discovery of a never-before-seen galactic object: two gigantic gaseous bubbles, each emanating an impressive 25,000 light years from the center of the Milky Way. Astronomers were perplexed: what created these...
TED-Ed
TED-Ed: What really killed the dinosaurs? (It wasn’t just the asteroid) | Sean P. S. Gulick
Sixty-six million years ago, near what’s now the Yucatán Peninsula, a juvenile sauropod feasted on horsetail plants on a riverbank. Earth was a tropical planet. Behemoth and tiny dinosaurs alike soared its skies and roamed its lands...