SciShow
5 Things Your Nails Can Say About Your Health
Your nails can do more than just look pretty. They can tell you some things about your health!
3Blue1Brown
Why slicing a cone gives an ellipse
A beautiful proof of why slicing a cone gives an ellipse.
Bozeman Science
Equipotential Lines
In this video Paul Andersen explains how equipotential lines show equal electric potential in an electric field. Equipotential lines can be created from scalar values or by observing the electric field lines. An charged object can move...
SciShow
Can You Make an Accurate Map?
Earth is not flat. So, representing it on a flat surface can be challenging and always requires compromises.
SciShow
6 Creative Ways People Used to Navigate the Oceans
People have been exploring the oceans since prehistoric times, way before they had GPS to help them figure out where they were. Here are 6 ingenious ways our ancestors navigated the oceans.
TED-Ed
TED-ED: What makes a poem a poem? - Melissa Kovacs
What exactly makes a poem - a poem? Poets themselves have struggled with this question, often using metaphors to approximate a definition. Is a poem a little machine? A firework? An echo? A dream? Melissa Kovacs shares three recognizable...
TED-Ed
TED-Ed: Why a sausage can do what your gloves cannot | Charles Wallace and Sajan Saini
In 2010, South Korea experienced a particularly cold winter. People couldn't activate their smartphones while wearing gloves, so they began wielding snack sausages— causing one company to see a 40% rise in sausage sales. So, what could...
SciShow
8 Mind-Blowing Optical Illusions
Your brain does its best to inform you about the world around you, but sometimes it gets tricked. Enjoy eight optical illusions to test your brain's sensory input.
TED-Ed
TED-Ed: Why is it so hard to cure cancer? - Kyuson Yun
We've harnessed electricity, sequenced the human genome, and eradicated smallpox. But after billions of dollars in research, we haven't found a solution for a disease that affects more than 14 million people and their families at any...
SciShow
Will We Ever be Able to Predict Earthquakes?
Here on SciShow, we’ve talked quite a bit about how difficult it is to predict earthquakes, and how we prepare for them. So today, let’s take a tour of earthquake science!
Crash Course
Just Say Noh. But Also Say Kyogen: Crash Course Theater #11
This week on Crash Course Theater, Mike is taking you to Japan to have a look at Noh theater. Noh, and its counterpart Kyogen are some of the most revered theater forms in Japan, and are still performed today. Today you'll learn how Noh...
Crash Course
Spectra Interference: Crash Course Physics
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!...
TED Talks
Aris Venetikidis: Making sense of maps
Aris Venetikidis is fascinated by the maps we draw in our minds as we move around a city -- less like street maps, more like schematics or wiring diagrams, abstract images of relationships between places. How can we learn from these...
TED-Ed
TED-Ed: Euclid's puzzling parallel postulate - Jeff Dekofsky
Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have...
TED-Ed
Why every world map is wrong | Kayla Wolf
Fourteen Greenlands could fit in Africa— but you wouldn't guess it from most maps of the world. The fact is, every world map humans have ever made is wrong. Actually, it's impossible to make a flat map of the whole spherical world 100%...
PBS
The Honeycombs of 4-Dimensional Bees ft. Joe Hanson
Why is there a hexagonal structure in honeycombs? Why not squares? Or asymmetrical blobby shapes? In 36 B.C., the Roman scholar Marcus Terentius Varro wrote about two of the leading theories of the day. First: bees have six legs, so they...
Crash Course
What is a Map Crash Course Geography
From navigating a cross-country road trip (or just finding the nearest coffee shop), to analyzing election results (or the latest meme on K-pop group popularity), maps play a huge role in how we interpret the world! Today, we're going to...
TED-Ed
TED-Ed: What is verbal irony? - Christopher Warner
At face value, the lines between verbal irony, sarcasm, and compliments can be blurry. After all, the phrase 'That looks nice' could be all three depending on the circumstances. In the final of a three part series on irony, Christopher...
TED-Ed
TED-Ed: How to read music - Tim Hansen
Like an actor's script, a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm). Sheet music may look complicated, but once you've gotten the hang of a few simple elements like notes, bars and...
Curated Video
Cisco CCNA 200-301: The Complete Guide to Getting Certified - SSH Secure Shell
New ReviewIn this video, learn about SSH, a secure method for remotely accessing Cisco devices over an encrypted channel.
Curated Video
Complete Linux Training Course to Get Your Dream IT Job - File Display Commands (cat, less, more, head, tail)
New ReviewExplore commands to display file contents, tailoring your view to suit your needs, from full displays to specific sections.
Flipping Physics
What Line Is That Anyway?
New ReviewStruggling with sketching graphs on the AP® Physics exams? In this video, Mr. P from Flipping Physics shares essential graphing tips learned as an AP Physics Reader, including why rulers matter, how to avoid common sketching mistakes,...
Curated Video
Mastering Composition: A Guide to Enhancing Your Photography Skills
New ReviewIn this video, the importance of understanding composition in photography is discussed to effectively direct the viewer's attention and highlight key elements in a photo. The video covers various composition rules such as the rule of...
Curated Video
Unlocking Shakespeare: Exploring the Timeless Power of His Words
New ReviewThis video explores the enduring relevance and impact of Shakespeare's works, emphasizing that his words were meant to be spoken and performed rather than just read silently. It highlights how Shakespeare's creativity with language has...