Parkour is a free-style method of exercise and exploration, in which an individual propels him- or herself through a urban landscape using only their surroundings and their own body—it requires agility and good form in order to prevent injury. In this lesson from Zoic Nation, learn how to do a parkour cat grab. Andy starts by outlining baby steps to get started with, as well as the often-injurious mistakes that people often make, before demonstrating a perfect cat grab.

Both a “punch” and a “plyo” are two-footed jumps in the sport of parkour. But a plyo is not a punch. In this lesson from Zoic Nation, learn how to do a plyometric jump, safely. Andy demonstrates how to step into a plyo (instead of hopping or hurdling into it) for a quiet landing on the balls of your feet, as well as how to swing your arms forward into your jump for momentum. Finally, he illustrates common mistakes that people make and shows what a well-executed plyo should look like.

Ready to learn how to do a side flip? In this lesson, teacher Christopher Tung uses stop-action footage to show you exactly how to take off and jump higher. You'll see how to position your arms to generate torque when spinning, control your tuck, and spot the ground for a smooth landing. With some practice, you'll be able to add this trick to your free running and parkour moves!

Taking your dog for a walk is a great way for both of you to get some exercise, but walking your dog can be a challenge if it does not heel at your side, and instead insists on pulling you in the direction tit want to go. However, according to Nigel Reed, London Dog Listener, a dog will only exhibit this behavior if it believes that it are the leader. Learn how to correct this behavior with Nigel’s ten-step tutorial. Soon you’ll have the best-behaved dog in the neighborhood!

Whether you use your machine for gaming, video and photo editing, or animation, maximize your resources by using a computer suited specifically to your needs. In this first of four videos from his series on how to build a computer, Carey Holzeman demonstrates that it’s really not that complicated. Get started by figuring out what hardware you’ll need (if you’re stumped, Carey’s got some recommendations for you) and learn how to connect the power supply.

Pesto is a versatile Italian sauce—traditionally used on pizzas or pasta, it makes an excellent spread on sandwiches, potatoes or even fish (Chef Pesto prefers his on salmon). While there are many other ways to incorporate this sauce into your food, pesto itself is easy and quick to make. Chef Pesto prepares a basic recipe that can be augmented to satisfy your flavor cravings. Simple enough for a child to make, but delicious enough for everyone, enjoy some fresh pesto with dinner tonight!

Do you love Korean BBQ? Now you can grill Korean style beef at home following this simple recipe - and you don’t even need a barbecue to make this delicious treat! Learn how to marinade your beef in soy sauce, sesame oil, green onion, red pepper flakes, honey, and garlic. Honeysuckle Catering teaches you how to grill your beef perfectly.

Javascript is not only one of the main languages used in contemporary web development, but it also has many non-web based applications, from.pdf files to desktop widgets. Thus, Javascript is an extremely versatile and valuable language to have command of. In this lesson, Mark from LearnToProgram.tv demonstrates how to begin coding with Javascript, as well as how to test your code using a text editor (Mark recommends Komodo Edit). Finally, learn how to use Javascript to manipulate HTML pages.

Think that all you need is a good camera and a good bit of know-how in order to take great pictures? While that might be true, a tripod is a tool that can help improve your photography skills—and not just for portraits. In this photography lesson, Julie Waterhouse offers two reasons why you should use a tripod the next time you are out shooting.

As the saying goes, you can't know where you are going without knowing where you’ve been. Preserve the past while making it accessible in an online scrapbook that can be printed at your convenience. In this lesson Amy Ulen of Studio Scrapping teaches you how to use Photoshop Elements to create titles for your scrapbook pages (Amy creates her scrapbook using Studio J, but the Photoshop principles she teaches can be applied to any project). Scrapbooking was never faster, easier, or so beautiful.

Fondant is a great alternative to store-bought frosting. Although homemade fondant made from marshmallows can be sticky, messy, and time-consuming, it is not the only method available to yuo. With this marshmallow-free recipe from Eat Now, Cry Later, you can start decorating your cakes with fondant in no time.

Everything's coming up roses when you make these gorgeous crêpe ribbon flowers! Part one of two, this lesson from craft addict Erin Bassett teaches you how to fold, sew, and paint your ribbon. Select a patterned crêpe ribbon that is thin, flexible, and delicate, then fold and sew the ribbon into a circle with needle and thread to create your flower’s petals. Paint the ribbon's edges, and then spray your whole flower with glitter mist and add color accents.

Well aware of your cinematic genius, your talented musician friends have asked you to create an artistic and thought provoking visual counterpart to one of their songs. Naturally, you want this music video to demonstrate your unparalleled creativity and skill—so you decide to shoot their music video in one take! This type of production requires plenty of planning and practice, but learn how to do it, and the end result will have everyone marveling at your abilities and wondering how you did it.

Stir-frying is one of the simplest and most versatile methods of cooking. The technique does require planning and preparation, but each successive stir-fry you create will increase your confidence and improve your timing when it comes to cooking ingredients. In this lesson, learn what the five main components of a stir-fry are, and how they can be used to create infinite flavor combinations. Heavy on vegetables, stir-fries are some of the healthiest, quickest, and most delicious meals to make.

Want to store your stuff with style? Crafty Gemini teaches you how to stitch your very own quilted zipper pouch with boxy corners. All that you'll need is two kinds of fabric, batting, a lapel stick, a zipper, and a sewing machine. These bags are easy to make and perfect to use as pencil cases, make-up bags, travel dop kits, or what you will. This video offers handy tips for sewing zippers onto fabric using a zipper foot.

Learn how to create a journal as unique as you are, with customized pages and cover. In this lesson from Aly is Writing, discover the basics of bookbinding. Start by folding index cards and nesting five cards at a time to create a “folio;” put three to five folios together to form a “signature.” Then learn how to punch holes in your signature and bind everything together before creating a custom cover and spine. The finished product will be perfect for displaying and capturing your creativity.

How can you win when playing Rock, Paper, Scissors? Not with a pure strategy, that’s for sure! This lesson from William Spaniel's Game Theory 101 series teaches you the theory behind this classic game. Do the math and check the payoffs to discover why you just can't beat randomness. Bummer, right? Learn about cycling arguments and why equal payoffs mean you can't easily pin down even a mixed strategy Nash equilibrium.