You might have thought that “rock, paper, scissors” was a game of sheer chance, but scientists have shown that people play with a “predictable irrationality,” and that there are strategies that can help you to win.

Deborah Koehn is an internationally renowned Yoga Guru who has taught everyone from top movie stars to villagers at over 17,000 ft in the Peruvian Andes, to 7th generation Balinese priests. Her teaching philosophy encompasses everyone from the beginner yogi to the top practitioners of medical facilities and yoga studios.

Paul is having trouble waking up this morning, but he manages to make coffee and tell us a bit about his morning routine.

Kate visits the Grand Lake Nordic Center and shows us the equipment and technique of Nordic skiing. It may look easy, but with no chairlift in sight, it's hard work, and definitely good exercise.

Topsy and Tim give us a countdown of their favorite things about Christmas. The twins are featured on the BBC's CBeebies, a TV channel for pre-schoolers.

Annette shows us how to make a healthy and delicious spread that goes wonderfully on fruit slices. It's also a snap to prepare.

Renowned kiteboard manufacturer Naish invites us to share in the adventure.

When sassy, streetwise Shania meets ambitious, middle class Lisa, their two worlds collide on the athletics track with explosive results. Enjoy this trailer for the movie "Fast Girls."

For the body and the mind: Try out some knee exercises and learn some new vocabulary related to posture and fitness. Enjoy!

Travel + Leisure editor Sarah Spagnolo takes us to hotels, new restaurants, and beautiful beaches of Santa Barbara, California.

Lifestyle video blogger Aspyn Ovard demonstrates how she packed her suitcase efficiently for a recent trip to the Bahamas.

Watch a few funny moments in this trailer for the American comedy Unaccompanied Minors where, during the holiday season, a group of children are snowed in at the airport without a parent in sight. Enjoy!

Our British tour guide Lauren is taking us to Trafalgar Square today — come and join her to learn more about this tourist attraction in central London!

In the second part of the video about the famous Camden Town Market in London, Zara is talking to different sellers. Learn about the motivation of the brand new sellers and the secret about a seller who has been on the market for quite a long time now.

Enjoy yet another great collection of bar gags from Quirkology.