This week Craig talks about police searches and seizures. Now, the fourth amendment says that you have the right to be protected against "unreasonable searches and seizures" but what exactly does this mean? Well, it's complicated. The...

This week, a group of scientists estimated the cost of saving just one small village in America’s Chesapeake Bay from rising sea levels, and another found evidence that Smilodon (aka the saber-toothed cat) actually helped take care of...

The IARC has categorized processed meat as a definite carcinogen. But how dangerous is it really? Do we finally have to give up bacon?

Michael Aranda relays the latest in science news, including an archaeological discovery about the earliest days of Buddhism, a new species of Brazilian wildcat, and new insights into the effects of fecal transplants.

In your brain the right side controls the left half of your body and vice versa. We still aren't sure why this is, but some scientists have come up with a pretty bizarre explanation: that some ancient vertebrate ancestor was born with...

For millions of people with Parkinson’s disease, movement becomes much harder. But researchers have found that dance therapy may help them both physically and mentally.

Technology allows us to give cash directly to the poorest people on the planet. Should we do it? In this thought-provoking talk, veteran aid worker Joy Sun explores two ways to help the poor.

There have been reports of animals medicating themselves to treat illnesses, but according to the research, you shouldn't go to a non-human pharmacist just yet.

You need it, you love it, you probably live on it: it's land! But have you ever thought about where land even comes from?

Once evolution finds a trick that works, it tends to repeat it. Here are a few examples of prehistoric animals that look a lot like ones we know today. chapters 0:00 0:06 0:13 0:20 0:27 0:34

This week in SciShow News, hard science meets cryptozoology, as biologists reveal the results of their investigation into samples suspected to have come from such beasties as Sasquatch and yeti. The findings are pretty much what you'd...

Oxford mathematician Peter Donnelly reveals the common mistakes humans make in interpreting statistics -- and the devastating impact these errors can have on the outcome of criminal trials.

What was the smallest non-avian dinosaur, and why were there so few tiny dinos running around the Mesozoic?

Replication (re-running studies to confirm results) and reproducibility (the ability to repeat an analyses on data) have come under fire over the past few years. The foundation of science itself is built upon statistical analysis and yet...

Even though there are no volcanoes on the Olympic Peninsula, you can find lots of volcanic rocks on the beaches. This bizarre circumstance might have to do with how the ancient island transformed Washington state.

New information has helped us understand where domestic horses came from. And by counting some tree rings, researchers were able to find evidence of Norse presence in the Americas in 1021 CE.

Earlier today, mission specialists with NASA's Mars Science Laboratory announced that they have found, for the first time, evidence of an ancient environment on Mars that could have sustained life. Hank tells us the specifics in this...

With all the CGI cat-humans going around on the internet these days, it’s hard to deny the sense of yikes known as the uncanny valley. But what exactly is this phenomenon, and why do we feel it when we do?

On a daily basis, you spend between a third and half of your waking hours daydreaming. That may sound like a huge waste of time, but scientists think it must have some purpose, or humans wouldn't have evolved to do so much of it. So,...

In this video Paul Andersen describes several types of evidence for common ancestry. This evidence is contained in the fossils, embryos and molecules of living organisms. Even though life on our planet is incredibly diverse there are...

In 1912, a fossil collector discovered some strange bone fragments in the eerie, beautiful Cretaceous Bahariya rock formation of Egypt. Eventually, that handful of fossil fragments would reveal to scientists one of the strangest...

Hank shares the latest exciting findings from the Mars Science Laboratory, known to its friends as Curiosity. Learn what Curiosity has discovered about the giant Gale Crater, and what those developments mean for the prospects of ancient...

Did you know SciShow has a whole channel dedicated solely to space? Well, we hope you packed warm, cause we’re taking you on a tour through the solar system with these SciShow Space episodes!

Over the past 20 years, dinosaurs of all types and sizes have been found with some sort of fluff or even full-on plumage. These fuzzy discoveries have raised a whole batch of new questions so we're here to tell you everything we know...