Otherwise landed in 2004 with its twin - MER-A, better known as Spirit. These six-wheeled golf-cart-sized robots were Swiss army knives of geological lab instruments. Opportunities most spectacular discovery where these cute little...

There’s one kind of herpesvirus that’s specific to one species of primate, and each virus split off from the herpesvirus family tree when the primate split off from its own tree. But of course, humans are a special kind of primate.

When we scan the heavens with giant telescopes we see galactic cannibalism everywhere. We see moments that appear frozen on the human timescale, but are really snapshots of the incredibly violent process of galaxy formation. This is how...

Time passes for all of us at the same rate of one second per second. But why does it sometimes feel like time is passing so fast, or so slowly? Especially during COVID? Let’s learn about how our brains keep track of and try to make sense...

If you take a look at all the impact craters in our solar system, the vast majority are nice, neat circles. But why? Meteorites and asteroids strike planets and moons at all sorts of angles. Where are all the elliptical craters?

Hard-to-reach places, like the Amazon rainforest, can hide traces of past civilizations. But scientists are finding ways to explore these areas from above and discover the effects these ancient peoples had on their environment.

Scientists who piece together our past can do so through the rare fossil or artifact, or they can go to one convenient location: a hyrax latrine.

Hank describes some of the best explanations that neurologists have come up with to account for the strange sensation we know as déjà vu.

Hank talks about why it is so difficult for scientists to predict earthquakes in the short term.

SciShow explains the genetics -- and physics -- behind why blue eyes are blue, and what the future may be for the trait. Spoiler alert: Blue eyes aren’t really blue! SciShow explains!

After watching Game of Thrones or playing DND, you might wonder if Dire Wolves were actually real. Turns out, these were real animals that lived during the last Ice Age, but they weren't actually...wolves? Join Hank Green and learn what...

Did you know that nature contains clues that can uncover ancient earthquakes that occurred decades, or even centuries ago? Join us for a fascinating look into the world of ancient earthquakes, and see how yesterday's quakes compare to...

According to the fossils we've found, it turns out the T-Rex may look different than what we thought! Join Hank Green for a fascinating dive into the past, and a realistic look at what the King of the Dinosaurs was actually like. Let's...

Unlike with many other viruses, once you get a herpesvirus you’re stuck with it for life. But just how do these master trespassers accomplish this feat?

For one hundred days in 1994, the African country of Rwanda suffered a horrific campaign of mass murder. Neighbor turned against neighbor as violence engulfed the region, resulting in the deaths of over one-tenth of the country's...

William Faulkner is considered one of America's most remarkable and perplexing writers. He confused his audience intentionally, using complex sentences, unreliable narrators, and outlandish imagery. His body of work is shocking,...

At the end of the Civil War, though slavery was technically illegal in all states, it still persisted in the last bastions of the Confederacy. This was the case when Union General Gordon Granger marched his troops into Galveston, Texas...

In the early 20th century, Alfred Wegener's theory of Continental Drift laid the foundation for our modern theory of plate tectonics. And today we know something even more exciting: Pangea was only the latest in a long lineage of...

Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: - Mass Extinction Event: a significant, global decrease in the diversity of life - "Big 5": The five biggest mass...

If you have perfect knowledge of every single particle in the universe, can you use the laws of physics to rewind all the way back to the Big Bang? Is the entire history of the universe perfectly knowable? Or has information somehow lost...

Mike Rugnetta is going to tell you stories of death, destruction, divine judgment, damnation, and the occasional happy ending. That's right, this week we're talking about the Apocalypse. Actually we're talking about a bunch of ways the...

It's the most famous prediction of perhaps the most famous genius of our time ... Stephen Hawking's theory of Hawking Radiation.

Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it!



This video is about why there's no such thing as cause and effect at the level of fundamental particle...

Global obesity rates are on the rise, but body shaming campaigns are doing more harm than good, says medical anthropologist Nancy N. Chen. Reflecting on how the cultural histories of body ideals have changed over time, she offers a new...