Instructional Video9:54
PBS

The Missing Link That Wasn’t

12th - Higher Ed
The myth of the Missing Link--the idea that there must be a specimen that partly resembles an ape but also partly resembles a modern human--is persistent. But the reality is that there is no missing link in our lineage, because that’s...
Instructional Video12:11
PBS

The Dinosaur Who Was Buried at Sea

12th - Higher Ed
Paleontologists have been studying nodosaurs since the 1830s, but nobody had ever found a specimen like Borealopelta before. The key to its exceptional preservation was where it ended up after it died and how it got there.
Instructional Video11:11
PBS

That Time the Mediterranean Sea Disappeared

12th - Higher Ed
How could a body of water as big as the Mediterranean just...disappear? It would take decades and more than 1,000 research studies to even start to figure out the cause -- or causes -- of one of the greatest vanishing acts in Earth’s...
Instructional Video9:43
PBS

Something Has Been Making This Mark For 500 Million Years

12th - Higher Ed
Paleodictyon, a hexagonal-patterned fossil, is a bit of a mystery. We don’t even know if it’s a trace fossil, or the organism itself. So… what could it be?
Instructional Video8:27
PBS

How the Andes Mountains Might Have Killed a Bunch of Whales

12th - Higher Ed
At a site known as Cerro Ballena or Whale Hill, there are more than 40 skeletons of marine mammals -- a graveyard of ocean life dating back 6.5 million to 9 million years ago, in the Late Miocene Epoch. But the identity of the killer...
Instructional Video10:12
PBS

How Earth's First, Unkillable Animals Saved the World

12th - Higher Ed
They have survived every catastrophe and every mass extinction event that nature has thrown at them. And by being the little, filter-feeding, water-cleaning creatures that they are, sponges may have saved the world.
Instructional Video9:59
PBS

How a Supervolcano Ignited an Evolutionary Debate

12th - Higher Ed
The Toba supervolcano was the biggest explosive eruption of the last 2.5 million years. And humans were around to see it, or at least feel its effects! But what were those effects?
Instructional Video7:46
PBS

How a Hot Planet Created the World's Biggest Snake

12th - Higher Ed
About 59 million years ago, the largest animal lurking in the ancient forests of Colombia by far was Titanoboa - the largest snake ever known. It’s only been in the past few years that we’ve put together the many pieces of this puzzling...
Instructional Video9:20
PBS

Giant Viruses Blur The Line Between Alive and Not

12th - Higher Ed
In 2003, microbiologists made a huge discovery. One that would force us to reconsider a lot of what we thought we knew about the evolution of microbial life: giant viruses.
Instructional Video10:01
PBS

Did These Giant Sloths Poop Themselves to Death?

12th - Higher Ed
At Tanque Loma, at least 22 giant ground sloths in the genus Eremotherium met their end. Of the five hypotheses that researchers proposed for what killed the sloths, the best supported one right now is that they died surrounded by their...
Instructional Video7:03
PBS

Why Sour May Be The Oldest Taste

12th - Higher Ed
While sour taste's original purpose was to warn vertebrates of danger, in a few animal groups, including us, its role has reversed. The taste of danger became something it was dangerous for us to avoid.
Instructional Video8:48
PBS

The Oddest Couple in the Fossil Record

12th - Higher Ed
To figure out how Thrinaxodon and Broomistega became entombed together, scientists looked at the burrow itself, along with their fossilized bones. And it looks like their luck ran out, when a behavior that usually would’ve helped them...
Instructional Video8:10
PBS

The Neandertal Burial That Taught Us About Humanity

12th - Higher Ed
If we can see ourselves in the way our ancient cousins dealt with death…what else could we have in common?
Instructional Video8:21
PBS

The Fuzzy Origins of the Giant Panda

12th - Higher Ed
How does a bear -- which is a member of the order Carnivora -- evolve into an herbivore? Despite how it looks, nothing about the history of the giant panda is black and white.
Instructional Video7:57
PBS

The Ancient Human Species With A Missing Body

12th - Higher Ed
Only a handful of Denisovan fossils have been identified. In the absence of actual body fossils, it’s impossible for us to reconstruct their morphology, right?
Instructional Video8:01
PBS

Primates vs Snakes (An Evolutionary Arms Race)

12th - Higher Ed
The Snake Detection Hypothesis proposes that the ability to quickly spot and avoid snakes is deeply embedded in primates, including us - an evolutionary consequence of the danger snakes have posed to us over millions of years.
Instructional Video9:00
PBS

Our Ancient Relative That Said 'No Thanks' To Land

12th - Higher Ed
Around the time that some of our fishapod relatives were crawling out of the water, others were turning around and diving right back in.
Instructional Video11:09
PBS

When a Billion Years Disappeared

12th - Higher Ed
In some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earth’s history might be linked to a fracturing supercontinent, out-of-control glaciers, and maybe the...
Instructional Video9:22
Be Smart

What's the Largest Living Thing On Earth?

12th - Higher Ed
The biggest thing that has ever lived on Earth… is a tree? Hard to believe, but it’s true. Travel with me to the Rocky Mountains of Colorado to go inside the most massive species on our planet, and learn what unique and special...
Instructional Video4:59
TED-Ed

TED-Ed: Which is better for you: "Real" meat or "fake" meat? | Carolyn Beans

Pre-K - Higher Ed
In 2021, a survey of over 1,000 Americans found that nearly two-thirds had eaten plant-based meat alternatives in the past year. Many cited potential health and environmental benefits as their motivation. But are these alternative meats...
Instructional Video4:52
TED-Ed

TED-Ed: Want to know if you're pregnant? Use this frog | Carly Anne York

Pre-K - Higher Ed
In the early 20th century, pregnancy testing required a slippery piece of equipment: a female African clawed frog. For decades, hospitals and research labs had a trusted supply of these handy creatures, employing their help in testing...
Instructional Video4:49
TED-Ed

TED-Ed: A 5,300-year-old murder mystery | Albert Zink

Pre-K - Higher Ed
In September 1991, two hikers discovered a corpse emerging from the ice. Researchers soon realized they were looking at the mummified body of a man who'd lived about 5,300 years ago, and theorized he got caught in bad weather and froze....
Instructional Video5:05
TED-Ed

TED-Ed: Why did Megalodon go extinct? | Jack Cooper and Catalina Pimiento

Pre-K - Higher Ed
20 million years ago, the ocean housed a creature so colossal that its stomach could reach volumes of almost 10,000 liters— big enough to fit an entire orca. It was the megalodon, the biggest shark to ever live. So, what was it like when...
Instructional Video8:42
SciShow

You’re Not a Lab Mouse, but You Might Be a Wild Mouse

12th - Higher Ed
The lab mice we use for genetic studies are not only closely related, but live out their whole lives in a sterile environment, so they don’t tell us everything we need to know about actual humans. The answer might be grabbing a wild...