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.

One fundamental movement of both Parkour and Freerunning is the Vault. The Vault is a basic maneuver that you can use to safely hurdle over obstacles, including low walls, railings and fences. If you are looking for a movement that will allow you to navigate the landscape while maintaining your forward momentum, this is it! In this fun and quick lesson, you learn how to do the Speed, Reverse and Monkey Vaults.

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.

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!

Parkour star Alireza Japalaghy's video landed him in hot water with Iranian authorities for violating public decency laws, forcing him to escape to Turkey. The possibility of extradition back to Iran has human rights activists concerned. Produced by: Durrie Bouscaren. Image credit: Screenshot from Radio France Internaional via YouTube video.

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.

How can we know if what we perceive is real? What's the difference between true belief and knowledge? Socrates tackles these philosophical questions and more in Plato’s cave allegory. This lesson offers an illustrated explanation of the allegory - in which a prisoner is kept facing a wall, seeing only shadow puppets and hearing only echoes. It’s all he has ever known, until he is dragged from the cave and sees the sun. Learn what happens when he returns to explain to his fellow prisoners...

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.

Frog in your throat but a song in your heart? In this lesson from Vocal Edge, learn some emergency quick tips to soothe your throat and rescue your voice when you're sick before singing. Find out what's happening to your body when you have a cold and how it affects your larynx and vocal cords. Take an expectorant and anti-inflammatory, and drink a gallon of water each day. Try a sinus rinse, humidifier, or menthol-free cough drops. Should you be drinking black tea or herbal? Watch to find out!

Become a twinkle-toes... literally! This lesson from Boat People teaches you to brighten up a pair of old thrift store shoes by adding sparkle to the toes. This fun and easy project uses just glitter, mod podge, a brush, and some masking tape. Tape off the end of the shoe, brush on some mod podge, and apply the glitter. For added glamour, swap out the laces for a shiny ribbon!

Learn how to build the main piano chords—major, minor, diminished, and augmented—that form the basis of harmony. The second in a series of seven, this lesson will teach you how to recognize and play bright and dark interval patterns to achieve musical chords that are frequently used in both the harmony and melody of songs. Once you have learned these patterns, you are well on your way to mastering any chord you encounter in piano music!

A unique take on a holiday classic, this 1966 recipe for Italian chard stuffing remains the most popular ever published by Sunset Magazine. Mix sweet crumbles of Italian sausage with wilted Swiss chard and milky bread to form the perfect texture for stuffing. Learn how to make this perennial favorite just in time for your Thanksgiving feast.

The night sky is a place of unfathomable size, home to nearly infinite stars and planets, most of which are invisible to the naked eye. But don’t just ponder the infinite beauty—become acquainted with the celestial bodies and constellations in this star gazing lesson by David Fuller. Learn how to locate features in the sky using coordinates similar to the longitude and latitude applied to the earth, how a star’s brightness (or magnitude) is measured, and finally how to measure distances using your own hand.

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.

Do you love the film, characters, and soundtrack of “Frozen”? Then try learning Idina Menzel’s version of “Let It Go” on guitar, taught by Smiley Mo! This intermediate guitar lesson covers all the chords you need to know to play this song through and through, from the intro to the last note. Practice the strumming patterns and perform your new song for friends and family!

Viva la salsa! This video will teach you how to dance salsa and do turns like a champion - in the privacy of your own home! This dance lesson breaks down all the moves of a basic turn - in a fun and simple way. First, you will learn the steps without music, and then with music. Learning how to salsa was never easier!

They can huff and puff, they won't be able to blow down this wall! In this lesson, stonemason Mike Haduck teaches you to cut a brick design into a wall made of cement and stucco. Learn to create a frame for your cement and apply each layer of cement and stucco. See how to rub your stucco with a sponge for a nice sandy finish, then create a cutting tool using an old wall tie and slice in your brick pattern.

Want to add a little spice to your kitchen wallpaper? Use a stencil to paint a border running above your counters and appliances! This lesson from Cutting Edge Stencils teaches you to tape your stencil in place, apply your paint evenly with a roller, and remove your stencil without smearing or bleeding your paint. This simple technique for stenciling a border can add an simple but classy accent to any room.

New to homebrewing beer or curious about the chemistry and cooking process behind the delicious brew you already know how to make? In this video James teaches you the tricks and techniques of home brewing your own beer while making a Nut Brown Ale from a malt extract recipe. Learn how each ingredient and process contributes to the flavor profile and appearance of your homemade brew.