All of modern society relies upon a seemingly simple but surprisingly complex unit of measurement: the second. But knowing exactly what a “second” is is more complicated than you might think!

You have questions, I have answers! In this edition of Ask Joe Stuff, you'll find out what the date really is according to Earth's age, why we get chills up our spine, what my favorite planet is, why hair grows (or doesn't), and why root...

Hunting for rogue planets is like hunting for an invisible needle in a haystack. But we're getting a much clearer view thanks to gravitational microlensing surveys. And it looks like there are a LOT more of them out there than we thought.

The World Health organization recently added aspartame, an artificial sweetener used in diet soda and tea, to its list of possibly carcinogenic substances. But will diet soda really give you cancer? We look at the science behind the...

The tree of life you learned in school is wrong, even if you just graduated. We like to sort eukaryotes into big kingdoms or supergroups, but scientists can't agree what those groups should be. Here's why that's a good thing.

How different would things be if Earth had always rotated in the opposite direction? Hosted by: Stefan Chin

One ancient predator turns out to have been able to eat much larger prey than we thought was possible, and a baby titanosaur skull gives us clues about what changes took place as sauropods grew up.

The Five Stages of Grief show up in media everywhere from The Simpsons to Robot Chicken, but scientists have long been working on better ways to think about grief.

2017 has been an eventful year, so as it comes to a close we'd like to look back at some of its most superlative science.

Scientists dissect the human scream for the first time, and also re-think what was thought to be the biggest dinosaur in the world.

Learn about the history of dudes, and a new theory about deep voices in this new episode of SciShow News. You know, science... bro... stuff. Hosted by: Hank Green

Michael Aranda explains the nuts and bolts of Hyperloop, the new magnet-driven, solar-powered transit system proposed by Spacex genius Elon Musk. Learn how Musk answered three vexing questions to create the transportation of the future...

It might sound like a concept from science fiction, but artificial intelligence is already facilitating the development process behind some pharmaceuticals. Hosted by: Michael Aranda

Two YouTube musicians battle it out to see who shall sing a song of victory.

The toughest, most dominant canine gets the resources and respect - or at least that's the idea that caught on culturally. Turns out, that's not necessarily how it works.

Long lines, metal detectors and pat downs are a common staple of the airport process. But are these security measures actually efficient and effective? Join Michael Aranda for a new episode of SciShow where he breaks down the science of...

Artificial intelligence is rapidly becoming an integral part of our everyday lives. Here’s a number of ways in which it manages to make life better for us humans.

While many of us have heard of white noise, did you know there are a myriad of other color noises that can help with sleep, relaxation and focus? Join Michael Aranda for a new episode of SciShow, and learn which color noise might be just...

Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.

Newton's method, and the fractals the ensue

We’ve had a number of false starts that did more harm than good to figure out new treatments, and ECT is one of those treatments that came from a complicated history.

Media and advertising companies still use the same old demographics to understand audiences, but they're becoming increasingly harder to track online, says media researcher Johanna Blakley. As social media outgrows traditional media, and...

Remember the last time you used your phone and it left a nice warm spot on your face? - Is that causing cancer? Michael Aranda tells you all about the radiation on your cell phone.

A historic number of Latinx voters participated in the 2020 US presidential election, including a record number of young people casting their ballots for the first time. Civic leader María Teresa Kumar takes a look at the issues closest...