Customer service intern Wang Xin Yuan gets her first taste of dealing with difficult airline passengers.

For the second round of training, customer service intern Wang Xin Yuan is shown how to deal with passengers fed up with waiting for a delayed flight to take off.

See what changed customer service intern Wang Xin Yuan's mind about wanting to be a flight attendant.

Guo and his father's doctor hatch a plan in an attempt to get his father's memory back.

The first phase of an experiment to get Guo's father's memory back begins.

Guo reenacts his childhood in an attempt to get his father's memory back.

Guo remembers how he disappointed his father as a child.

Guo gets creative in his attempt to get his father's memory back.

Guo appeals to his audience for assistance in his plan to get his father's memory back.

Guo's father appears to be on the brink of recovering his memory.

Guo's father appears to recognize his son for the first time in a decade.

Guo's father may not recognize his own son, but there will always be a place in his heart for him.

Hip Hop Toad uses fire as a metaphor throughout the song, "Light."

Learn about some invaluable negotiation techniques for the business world.

Learn 12 essential negotiation tactics for the business world.

Learn 12 essential negotiation tactics for the business world- and some tips on how to deal with different negotiation counterparts.

Handy tips on how to conduct business negotiations are continued with the importance of establishing good relationships, not revealing too much too soon and having breadth and depth of knowledge and a good memory.

Learn about the different negotiation styles in the East and the West.

Learn how the "Pygmalion Effect" can help you become a top negotiator.

How and when did Christianity enter China?

This video details the history of Christianity in China, namely the influential figures, Matteo Ricci and Xu Guangqi.

Emperor Kangxi played a major role in introducing Christianity into China.

Inhale, exhale. Inhale, exhale. When was the last time you went to your yoga class?

Let's practice Mountain Pose.