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pbs-space-time
4 jaar geleden
PBS Space Time
#Space and Time
PBS Space Time | How We Know The Universe is Ancient (2020)
The universe is precisely 13.8 billion year old - or so our best scientific methods tell us. But how do you learn the age of the universe when there’s no trace left of its beginnings?
Matt O'Dowd
pbs-space-time
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pbs-eons-the-arms-race-that-made-insects-take-flight
PBS Eons | The Arms Race That Made Insects Take Flight
Spiders and their ancestors have been driving an arms race that began before either stepped foot onto land and resulted in the first powered flight on Earth.
din1J2mZmc4
pbs-eons-the-graveyard-at-the-center-of-the-earth-2025
PBS Eons | The Graveyard at The Center of the Earth (2025)
Scientists have been trying to solve the mystery of why plate tectonics works the way it does for over a hundred years. And they might have just uncovered a key to cracking it.
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pbs-space-time-will-the-big-bang-happen-again-and-again
PBS Space Time | Will The Big Bang Happen Again and Again?
How did the universe begin? How can something come from nothing?
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pbs-eons-did-asteroids-spark-life-2025
PBS Eons | Did Asteroids Spark Life? (2025)
We may have planet-shattering asteroids to thank for the origin of life on Earth.
BByfsocqDU4
pbs-america-the-last-artifact-full-special
PBS America | The Last Artifact | Full Special
The Last Artifact follows the high-stakes race to redefine the world's base unit to measure weight and reveals the untold story of one of the most important objects on the planet.
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pbs-america-special-the-amish-shunned
PBS America Special | The Amish: Shunned
What is it like to be cut off from your faith and your family?
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pbs-eons-when-earth-ate-a-planet-2024
PBS Eons | When Earth Ate A Planet (2024)
Where did our unique moon come from? It turns out that lunar rocks brought back by Apollo astronauts are a clue, pointing to the origin of our closest cosmic companion, an origin even stranger than you might imagine…
26ZmKqLNSZ8
pbs-space-time-can-a-particle-be-neither-matter-nor-force
PBS Space Time | Can a Particle Be Neither Matter Nor Force?
All particles belong to two large groups: fermions like protons and electrons make everything we consider "matter", while bosons like photons and gluons transmit the fundamental forces.
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pbs-eons-theres-no-single-cradle-of-humankind-2024
PBS Eons | There's No Single Cradle of Humankind (2024)
It would take decades for paleontologists to realize that maybe there wasn’t just one so-called "cradle of humankind," and realize that maybe they’d been asking the wrong question all along.
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pbs-terra-how-big-business-broke-recycling-and-blamed-you
PBS Terra | How Big Business broke Recycling and Blamed You
Recycling has been the gold standard for fighting pollution for decades. But most plastics can’t be recycled and the companies that push for recycling are the ones often generating the most emissions and waste in the first place.
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pbs-eons-the-hazy-evolution-of-cannabis-2024
PBS Eons | The Hazy Evolution of Cannabis (2024)
How did such a strange plant like cannabis come to be in the first place? When and where did we first domesticate it? And why oh why does it get us high?
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pbs-terra-why-its-time-to-stop-saving-the-planet
PBS Terra | Why It's Time to Stop Saving the Planet
We care about the planet. But what if it's time to stop "saving it"?
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pbs-eons-when-did-we-start-practicing-medicine-2024
PBS Eons | When Did We Start Practicing Medicine? (2024)
When did practicing medicine - in its varied, complex forms (from sharing medicinal plants to the earliest surgeries) - become something that we actually started doing?
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pbs-eons-animals-might-be-much-older-than-we-thought
PBS Eons | Animals Might Be Much Older Than We Thought
What are animal-like fossils doing in rocks a billion years old, and what does that mean for our understanding of their evolution and geologic time itself?
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pbs-eons-our-most-mysterious-extinct-cousins-2024
PBS Eons | Our Most Mysterious Extinct Cousins (2024)
There was a group of hominins, those creatures more closely related to us than to chimpanzees, that did take a different, parallel journey from our ancestors.
ALmS9E87LCg
pbs-space-time-does-antimatter-create-anti-gravity
PBS Space Time | Does Antimatter Create Anti-Gravity?
From hoverboards to flying cars to cloud cities, anti-gravity is a staple of science fiction and our dream of a less Earth-bound future. But in the real universe gravity appears to be a purely attractive force.
viTE77xIji0
pbs-eons-beans-and-bees-not-bats-gave-us-butterflies-2023
PBS Eons | Beans and Bees, Not Bats, Gave Us Butterflies (2023)
Turns out, instead of having bats to thank for the existence of butterflies, the groups we should actually be thanking are…bees and beans.
CleBC18qoyA
pbs-eons-the-huge-extinctions-we-are-just-now-discovering
PBS Eons | The Huge Extinctions We Are Just Now Discovering
What graptolites tell us is a story of incredible changes in the ocean, of periods where the oceans became poisonous and suffocating before eventually clearing up again.
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pbs-eons-when-did-we-stop-being-naked-2023
PBS Eons | When Did We Stop Being Naked? (2023)
Of course, the ancient Egyptians were probably not the first people to ever wear clothing, but we haven’t found any clothes older than the Tarkhan Dress. So how can we figure out when we first started wearing clothes?
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pbs-america-worlds-greatest-natural-fires
PBS America | World's Greatest Natural Fires
Get up close and personal with great fire icons.
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pbs-special-edgar-allan-poe-buried-alive
PBS Special | Edgar Allan Poe | Buried Alive
Edgar Allan Poe: Buried Alive draws on the rich palette of Poe's evocative imagery and sharply drawn plots to tell the real story of the notorious author.
uM51_Vui9tA
pbs-eons-are-giant-animals-inevitable-2023
PBS Eons | Are Giant Animals Inevitable? (2023)
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, is bigger always better?
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pbs-space-time-the-farthest-star-ever-seen
PBS Space Time | The Farthest Star Ever Seen!
To understand where we came from, how earth, the solar system, the galaxy became what they are today, we need to understand the beginning of time.
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pbs-eons-that-time-the-ocean-lost-almost-all-its-oxygen
PBS Eons | That Time The Ocean Lost Almost All its Oxygen
This is the story of how our planet rescued itself from extreme conditions in the Cretaceous Period, at the cost of essentially suffocating the oceans for half-a-million years.
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pbs-eons-did-a-tsunami-swallow-part-of-europe-2023
PBS Eons | Did a Tsunami Swallow Part of Europe? (2023)
What happened to the piece of prime prehistoric real estate known as Doggerland?
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pbs-eons-we-helped-make-mosquitoes-a-problem
PBS Eons | We Helped Make Mosquitoes A Problem
Around 6,000 years ago, in the Sahel region of Africa, a lone female mosquito buzzed through the lush, green savannah.
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pbs-eons-how-the-giraffe-got-its-neck-2023
PBS Eons | How The Giraffe Got Its Neck (2023)
How and why the giraffe's neck emerged in the first place has been a mystery that generations of biologists have argued over – one that has made us reconsider our understanding of how evolution actually works over and over again.
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pbs-eons-a-natural-history-of-mars-2023
PBS Eons | A Natural History of Mars (2023)
While Earth’s natural history has been playing out over the last few billion years, another epic planetary saga has also been unfolding right next door.
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pbs-eons-the-invisible-barrier-keeping-two-worlds-apart
PBS Eons | The Invisible Barrier Keeping Two Worlds Apart
In between two of the islands of Indonesia, there’s an ancient line that is both real and…not real.
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pbs-eons-how-some-plants-survived-the-k-pg-extinction
PBS Eons | How Some Plants Survived The K-Pg Extinction
Perhaps for plants in times of great stress and ecological upheaval, the more DNA the better.



# Space and Time
PBS Space Time
1 maand geleden
PBS Space Time | Will The Big Bang Happen Again and Again?



# History and Archaeology
PBS America
3 maanden geleden
PBS America | The Last Artifact | Full Special




# Quantum Mechanics
PBS Space Time
9 maanden geleden
PBS Space Time | Can a Particle Be Neither Matter Nor Force?


# History and Archaeology
PBS Eons
11 maanden geleden
PBS Eons | There's No Single Cradle of Humankind (2024)


# Engineering
PBS America
11 maanden geleden
PBS Terra | How Big Business broke Recycling and Blamed You




# History and Archaeology
PBS Eons
1 jaar geleden
PBS Eons | Our Most Mysterious Extinct Cousins (2024)


# Space and Time
PBS Space Time
1 jaar geleden
PBS Space Time | Does Antimatter Create Anti-Gravity?








# History and Archaeology
PBS Eons
1 jaar geleden
PBS Eons | Did a Tsunami Swallow Part of Europe? (2023)




