PBS
We Are Star Stuff
Stars are our stellar alchemists. They spend their entire lifespan creating and molding elements. In their final moments, a supernova spreads these elements out into the universe, providing the building blocks for new stars, planets, and...
PBS
Do We Want the World to End?
The so-called Mayan long count calendar predication of the apocalypse is based a fundamental MISUNDERSTANDING of Mayan calendars and society. It's so far off base that scientific and anthropological experts can dismiss it with laugh....
PBS
5 REAL Possibilities for Interstellar Travel
The prospect of interstellar travel is no longer sci-fi. It COULD be achievable within our lifetime! But, how would an interstellar rocket-ship work? On this week's episode of Space Time, Matt talks options for interstellar travel - from...
PBS
Why Quasars are so Awesome
When Quasars were first discovered the amount of light pouring out of such a tiny dot in space seemed impossible. A hysterical flurry of hypothesizing followed: swarms of neutron stars, alien civilizations harnessing their entire...
PBS
The Calendar, Australia & White Christmas
Australia will perpetually encounter the season opposite to the one we in the northern hemisphere will encounter, so does this means that Australia will never get a white Christmas?
PBS
The Bronies Phenomenon
You might assume that the animated TV series "My Little Pony: Friendship Is Magic" is for little girls, but Bronies - adult men who sincerely LOVE the show, and aren't afraid to admit it - would differ. Many people are baffled, even...
PBS
When Insects First Flew
Insects were the first animals to ever develop the ability to fly, and, arguably, they did it the best. But this development was so unusual that scientists are still working on, and arguing about, how and when insect wings first came about.
PBS
That Time Oxygen Almost Killed Everything
What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you'd never recognize, too much of a good thing almost ruined everything for everybody.
PBS
Kronos: Devourer Of Worlds
What happens when a star eats its planets? Find out on today's Space Time Journal Club.
PBS
When Camels Roamed North America
Camels are famous for adaptations that have allowed them to flourish where most other large mammals would perish. But their story begins over 40 million years ago in North America, and in an environment you'd never expect: a rainforest.
PBS
Why is the Earth Round and the Milky Way Flat?
Our universe is not a very diverse place when it comes to shapes. Large celestial bodies become spheres, galaxies become discs, and there is little room for variation. Why is this? Well it turns out physics has some pretty strict rules...
PBS
Scientists Have Detected the First Stars
What do the first stars in the universe, dark matter, and superior siege engines have in common?
PBS
Will Space Travel Save Us All?
Space, also known as The Final Frontier, has been in our collective dreams and fantasies for decades. Who WOULDN'T want to blast into space, experience zero gravity, or walk on the moon?! But with limited funding to NASA, the day that...
PBS
The First Humans on Mars
Elon Musk's SpaceX program proposes that 100 people could be sent to colonize Mars within 10 years. What might that colony look like?
PBS
Does Dark Matter BREAK Physics?
In this episode, welcome in Matt O'Dowd as the new host to rigorously take you through the mysteries of space, time, and the nature of reality. We're starting off this new season with perhaps one of the most mysterious things of all -...
PBS
How Sloths Went From the Seas to the Trees
The story of sloths is one of astounding ecological variability, with some foraging in the seas, others living underground, and others still hiding from predators in towering cliffs. So why are their only living relatives in the trees?
PBS
What's Wrong With the Big Bang Theory?
Let's look further into what we don't yet know about the Big Bang, and how the theory could progress in the future. Since there is a discrepancy between general relativity and quantum mechanics, we continue to search for a grand unifying...
PBS
Is the Moon in Majora's Mask a Black Hole?
It's easy to take things at face value in video games. But when we take a deeper dive into the physics in The Legend of Zelda: Majora's Mask, it seems that the "MOON" might be one of those things that isn't quite what it seems. Given its...
PBS
Black Hole Swarms
It's been conjectured that the center of the Milky Way is swarming with tens of thousands of black holes. And now we've actually seen them.
PBS
How the Chalicothere Split In Two
Two extinct relatives of horses and rhinos are closely related to each other but have strikingly different body plans. How did two of the same kind of animal, living in the same place, end up looking so different?
PBS
Escape The Kugelblitz Challenge
In the last episode Matt discussed how the Penrose Diagram enabled you to map how black holes affect Space Time. In this episode you can use that knowledge to stop an all-too-real threat to our planet. Aliens are trying to destroy the...
PBS
The Treasures of Trappist-1
Last week, seven earth-like planets were discovered orbiting a Red Dwarf star 39 light years away. Each one could be capable of supporting life.
PBS
How Time Becomes Space Inside a Black Hole
Find out how time and space switch roles when we move beyond the event horizon of the black hole.
PBS
9 NASA Technologies Shaping YOUR Future
NASA is really good at going to space, amongst other things, but did you know that part of their mission is to work also for the public good!? It's part of NASA's doctrine that they must release the patents on the stuff they work on,...