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PBS
Do Thunderbeasts Prove Giant Animals Are Inevitable?
The journey the thunder beasts took to reach such mega proportions from such humble beginnings forces us to ask an important question, one that paleontologists have been asking for more than a century: from an evolutionary perspective,...
MinutePhysics
Which Planet Has the Best Eclipse?
Solar eclipses don't just happen here on earth - moons of other planets also pass between those planets and the sun, resulting in various types of solar eclipses on Mars, Jupiter, Saturn, Uranus, Neptune, and even non-planets like Pluto,...
MinutePhysics
The Astounding Physics of N95 Masks
PBS
Is The Universe Finite?
Every time you walk out the door, light from the Big Bang strikes your face, enters your eyes. This is the cosmic microwave background radiation - the left-over heat-glow from the very early universe. We can’t see this microwave light...
PBS
Secrets of the Cosmic Microwave Background
Hook up an old antenna to your TV and scan between channels. The static buzz you hear is mostly due to the ambient radio produced by our noisy pre-galactic civilization. But around one percent of that buzz is something very different –...
PBS
Why We Only Have Ten Toes (It's a Long Story)
Today, all mammals from humans to bats have five fingers or fewer. Yes, even whales, whose finger bones are hidden in their fins. Birds have four or fewer and amphibians get the best of both worlds, often having four digits on their...
PBS
The Island of Huge Hamsters and Giant Owls
Back in the late Miocene epoch, there was an island--or maybe a group of islands-- in the Mediterranean Sea that was populated with fantastic giant beasts. It’s a lesson in the very strange, but very real, powers of natural selection.
PBS
Why it will take more than basic recycling to cut back on plastic
In the 70 years that plastic has been around, humans have created 9 billion tons of it -- most of which still exists. Are the existing strategies for tackling plastic pollution -- namely reusing and recycling -- really making any...
PBS
Counting the benefits of teaching math to 3-year-olds
"In Boston public schools, 3, 4 and 5-year-olds are getting their first introduction to math. Before they walk through the kindergarten door, the "Building Blocks" curriculum is designed to encourage very young children to think and talk...
MinutePhysics
The Astounding Physics of N95 Masks
SciShow
Where Are All the Tiny Dinosaurs
What was the smallest non-avian dinosaur, and why were there so few tiny dinos running around the Mesozoic?
SciShow
Our Past Written in the Stars
Unfortunately, time machines don't exist, but there are other ways to learn about our sun's past.
MinuteEarth
Our Definition For “Moon” Is Broken (Collab. w/ MinutePhysics)
It’s becoming harder and harder to categorize moons as moons.
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To learn more, start your googling with t
hese keywords:
Moon: a natural...
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To learn more, start your googling with t
hese keywords:
Moon: a natural...
SciShow
Found: The Missing Link of Black Holes | SciShow News
Astronomers have been trying to figure out black holes for hundreds of years, and newly published research may hold some big clues! Plus, rust isn’t supposed to happen in dry and airless places like the Moon. Could the elements that...
MinuteEarth
MinuteEarth Explains: Stuff That...Isn’t
In this collection of classic MinuteEarth videos, we find out that lots of what we thought we knew about the world around us isn’t quite right.
PBS
How Gaia Changed Astronomy Forever
The great advances in any science tend to come in sudden leaps. April 25th of 2018 marks the beginning of just such a leap for much of astronomy. In the early hours of the morning, the Gaia mission's second data release dropped. Our...
TED Talks
TED: How small countries can make a big impact on climate change | Nicola Sturgeon
When it comes to tackling climate change, the size of a country doesn't matter -- it's their ambition that counts, says First Minister of Scotland Nicola Sturgeon. In a rousing talk, she shares examples of small nations -- from Bhutan...
MinuteEarth
The Actual Reason Men Die First
Because females often outlive males, behavior is often blamed - but there is a decent chance our sex chromosomes might be to blame instead.
SciShow Kids
What Are Stars?
Find out what makes stars what they are, and take a tour of some of the most extreme stars in space!
PBS
A Hierarchy of Infinities
There are different sizes of infinity. It turns out that some are larger than others. Mathematician Kelsey Houston-Edwards breaks down what these different sizes are and where they belong in The Hierarchy of Infinities.
SciShow
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
Crash Course
Distances
How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the...