Astronomers once gazed upon the night sky and counted every star in the galaxy by hand. The process has evolved since then, but the thirst for celestial knowledge remains the same. Join astrophysicist Emily Levesque for an anecdote-rich...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on stability and change. Two examples are included in the video and two additional examples are included in the linked thinking slides. ...

If you can find a phone book these days, science is here to help you rip it in half with your bare hands!

You might have heard about animals behaving oddly right before an earthquake hits. But are these reports more than just anecdotes?

Do science at home with Hank in this episode of SciShow - you'll learn how to make your own litmus paper, what it's good for, and how it works.

The Himalayas are well known for containing the highest elevations on Earth, but can they get higher or is there something putting a stop to their lofty pursuits?

Can't remember where your soup spoon ought to go? What about your salad fork? Knowing how to set a traditional table can seem like antiquated etiquette -- but it can come in handy! Anna Post, great-great-granddaughter of etiquette expert...

Sound waves vibrate more than just our eardrums, they can also make visual art!

What is light? That is something that has plagued scientists for centuries. It behaves light a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces to the idea of Quantum Mechanics and how...

Please Note: This episode contains post-mortem photographs: those of people taken after their death. If you would prefer not to see those images, please feel welcome to look away from the screen at 0:17 to 0:27 and listen...

Ocean plastic pollution is a massive environmental problem. Millions of tons of plastic waste enter the ocean every year, even plastic that goes in the trash can often ends up in the sea! This week we learn about the Great Pacific...

You might have heard that Earth is due for a complete flip of its magnetic field. And while our planet does have a history of this behavior, predictions of when it might happen are too complex to estimate a date for.

Squeaks broke his watch! Luckily Jessi knows of a handy way to tell time, with a sundial!

Hank briefs us on the news of earthquakes in Indonesia and helps us understand why these had less impact than earthquakes which hit the area in 2004.

Light is everywhere … but it’s not as predictable as you might think. It’s a wave that travels in straight lines, yet it also reflects off of surfaces, refracts through various materials, and generally changes direction all the time!...

Jessi's on spring break, but Dino's here to teach you about birds and how you can recycle items around the house to make bird feeders! #sciencegoals

In this video Paul Andersen explains how rock is formed and changed on the planet. The video begins with a brief description of rocks, minerals, and the rock cycle. Plate tectonics is used to describe structure near plate boundaries. ...

What happened March 27, 1964? Alaska knows very wellÉ Join us to learn more about earthquakes with host Hank Green on this infusion of SciShow.

Plate Tectonics Explained

So, how do those defibrillators you see on TV actually work? Surprise! Physics can explain! Okay buckle up, everyone! Today, Shini has the task of breaking down Electrical Potential Energy, Electric Potential, Voltage, Capacitors, Energy...

New ReviewFrom a solid to a gas! Dry ice!

Honey for You, Honey for Me – Nursery Rhymes

2 minute video giving a brief overview of plate tectonics, for middle school science

At first glance, you might miss this unassuming brunch corner. Carved out of a white block building, its striped yellow awning and blue paneling is a gentle invitation. Step into Koko Head Cafe, an island style brunch cafe happily...