Showing 264 of 2035 videos
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2:31

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

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1:32

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

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1:24

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

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2:07

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

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1:06

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

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1:07

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

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1:01

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

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0:59

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

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1:05

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

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1:10

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

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1:27

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

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0:52

The effects of powder explosions can be devastating.

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1:12

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

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1:27

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

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1:04

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

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1:38

Attention new students! Remember to greet your senior classmates when making requests. You'll be surprised.

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1:47

Students, no matter how hard you feel school life is now, you're going to remember it as the best time of your lives!

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