Be Smart
How Much Of You Is ACTUALLY Alive?
You’re alive right now… at least I’m pretty sure you are. But you’re not TOTALLY alive. Bits of you are always breaking down, being thrown out, and being replaced. Even right now, parts of you are dying. Some of your cells even died...
SciShow
Why Do Razor Blades Dull so Quickly?
If you shave regularly, you may have noticed your razor blades don’t cut as well after just a few uses. But why do razors get dull so quickly?
TED Talks
Anders Ynnerman: Visualizing the medical data explosion
Medical scans can produce thousands of images for a single patient in seconds, but how do doctors know what's useful? Scientific visualization expert Anders Ynnerman shows us sophisticated new tools -- like virtual autopsies -- for...
Crash Course
Existentialism: Crash Course Philosophy
Now that we’ve left behind the philosophy of religion, it’s time to start exploring what other ways might exist to find meaning in the world. Today we explore essentialism and its response: existentialism. We’ll also learn about...
Curated Video
France Dining Etiquette
New ReviewIt’s probably no surprise that food is a valued part of French culture. Learn more about common French dining habits and preferences for breakfast, lunch, and dinner. Review detailed appropriate dining practices and table etiquette so...
Curated Video
Police warning over misinformation after Elon Musk and Tommy Robinson share false claims about knife incident
New ReviewPolice warning over misinformation after Elon Musk and Tommy Robinson share false claims about knife incident.Created with LUMEN 5
Curated Video
How to Hold a Crochet Hook
Howcast - Learn how to hold a crochet hook from Lion Brand Yarn's Andrea Lemire in this Howcast video.
Curated Video
How to Defend against an Attack with a Knife in Krav Maga
Howcast - Learn how to defend yourself against attacks with a knife in this Howcast training video with Krav Maga expert Rhon Mizrachi.
Curated Video
How to Buy a Tactical Knife
Howcast - Learn how to buy a tactical knife in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Tactical Knife?
Howcast - Learn about tactical knives in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Paring Knife?
Howcast - Learn about paring knives in this Howcast video with expert Dan Delavan.
Curated Video
How to Sharpen & Clean Your Knife
Howcast - Learn how to sharpen and clean your knives in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Santoku Knife?
Howcast - Learn about Santoku knives in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Carving Knife?
Howcast - Learn about carving knives in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Chef's Knife?
Howcast - Learn about chef knives in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Boning Knife?
Howcast - Learn about boning knives in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Custom Handmade Knife?
Howcast - Learn about custom handmade knives in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Throwing Knife?
Howcast - Learn about throwing knives in this Howcast video with expert Dan Delavan.
Curated Video
What's the Best Knife for Self-Defense?
Howcast - Learn what is the best knife for self-defense in this Howcast video with expert Dan Delavan.
Curated Video
How to Buy a Survival Knife
Howcast - Learn some survival knife buying tips in this Howcast video with expert Dan Delavan.
Curated Video
How to Buy a Bowie Knife
Howcast - Learn how to buy a bowie knife in this Howcast video with expert Dan Delavan.
Curated Video
What Is a Buck Knife?
Howcast - Learn about buck knives in this Howcast video with expert Dan Delavan.
Curated Video
How to Buy a Buck Knife
Howcast - Learn how to buy a buck knife in this Howcast video with expert Dan Delavan.