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

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

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...

What's online doesn't necessarily last forever. Content on the Internet is revised and deleted all the time. Hyperlinks "rot," and with them goes history, lost in space. With that in mind, Brewster Kahle set out to develop the Internet...

Lenny and Amy’s 5-year-old son has epilepsy. When conventional medications caused terrible side effects, they started giving him a daily drop of cannabis oil, with dramatic results. But it’s a calculated risk: While there is anecdotal...

What kind of future should a struggling rural town choose? In the town of Green River, population 950, a nonprofit called Epicenter aims to use art and architecture to bring new energy, life and economic development. Jeffrey Brown reports.

A tour guide at George Washington's Mt. Vernon, who is also a distant relation of a person who was enslaved at the Virginia estate, offers his perspective about American history, slavery and the founding fathers. This story was produced...

Last year alone, the federal government and its whistleblowers -- people

incentivized by the False Claims Act to expose fraud in companies that
work
with the government -- recovered nearly $6 billion in lawsuits tha
t...

Nearly half a century after his murder, civil rights activist Medgar Evers was honored in a ceremony at Arlington National Cemetery. Gwen Ifill examines the life and legacy of Evers -- a World War II veteran and the NAACP's first field...