This entertaining and informative video on the Chinese obsession with gift-giving reveals a lot about contemporary Chinese social and political issues (covering everything from social competition to corrupt officials) and also delves into the ancient origins of this long-running practice.

Would dogs help their owners in times of need?

Larger dogs are put to the test: Will they help their owners in desperate situations?

Do mosquitoes prefer UV light or human flesh?

To test the effectiveness of anti-mosquito lamps on mosquitoes, we'll first need some mosquitoes.

Just how effective are anti-mosquito lamps in a room full of mosquitos?

How do anti-mosquito lamps fare with human flesh in the room?

In this experiment, PM2.5 and carbon monoxide levels in a room are tested before and after the lighting of a cigarette.

How serious is the pollution caused from smoking two cigarettes in a row?

Cigarette smoke and car exhaust go head to head in carbon monoxide and air pollution level comparisons.

A car is pulled into a closed garage. What will be the effects of air pollution?

What are the PM2.5 and carbon monoxide levels for a cigarette smoked inside a car?

Is flour combustible?

An experiment to prove or disprove the combustibility of flour is upgraded to include more contact between flour and air.

An upgraded version of the experiment to prove or disprove the combustibility of flour quickly turns into a dangerous situation.

The effects of powder explosions can be devastating.

Wowola has been a stay-at-home mom for over four years.

In addition to being a stay-at-home mom, she's also a cartoonist.

Wowola renovates her home in order to create more space for everyone in the family.

The story of the entire modern city of Shanghai began with the Bund.

The Astor House Hotel was the setting for the story of American journalist Helen Foster Snow.

Each one of us who comes to the Bund is adding his or her own piece to a beautiful puzzle.

Imagine getting a haircut at a local Chinese hair salon in Hangzhou.

As each of the barbers has his or her own specialty, together they make a great team.