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Mystery Doug

129 Videos (Page 2/3)

8:05 Fast English (US)

Why are so many people scared of bugs?

Mystery Doug - 5 years ago

1,016,613 views
6:28 Fast English (US)

How can you tell if a plant is poisonous?

Mystery Doug - 5 years ago

2,894,496 views
7:05 Fast English (US)

How do phones work?

Mystery Doug - 5 years ago

524,326 views
6:22 Fast English (US)

Has anything like the coronavirus ever happened before?

Mystery Doug - 5 years ago

293,648 views
6:19 Fast English (US)

How does hair grow?

Mystery Doug - 5 years ago

901,782 views
7:32 Fast English (US)

Why are flamingos pink?

Mystery Doug - 5 years ago

423,671 views
6:57 Fast English (US)

How do germs get inside of your body?

Mystery Doug - 5 years ago

616,694 views
6:33 Fast English (US)

Why do we have tears when we cry?

Mystery Doug & Mystery Science - 5 years ago

847,112 views
5:30 Fast English (US)

What are some tips to help fight germs?

Mystery Doug - 5 years ago

256,276 views
6:39 Fast English (US)

Why do snakes shed their skin?

Mystery Doug - 5 years ago

1,638,610 views
6:58 Fast English (US)

How are toys invented?

Mystery Doug - 5 years ago

716,584 views
7:18 Fast English (US)

What's the biggest number?

Mystery Doug - 6 years ago

1,928,873 views
5:54 Conversational English (US)

Can animals laugh?

Mystery Doug - 6 years ago

1,018,074 views
7:45 Fast English (US)

What's the biggest tree in the world?

Mystery Doug - 6 years ago

1,066,671 views
7:03 Fast English (US)

Why do bears hibernate?

Mystery Doug - 6 years ago

353,907 views
6:38 Fast English (US)

Why do we need blood?

Mystery Doug & Mystery Science - 6 years ago

687,281 views
7:17 Fast English (US)

Why do people eat turkey on Thanksgiving?

Mystery Doug - 6 years ago

368,495 views
7:32 Fast English (US)

Why don't people eat ostrich eggs?

Mystery Doug - 6 years ago

3,566,223 views
7:49 Fast English (US)

Can a mountain turn into a volcano?

Mystery Doug - 6 years ago

1,166,758 views
7:54 Fast English (US)

What would happen if you didn't have a skull?

Mystery Doug - 6 years ago

1,169,613 views
8:30 Fast English (US)

How is syrup made?

Mystery Doug - 6 years ago

577,024 views
7:14 Fast English (US)

Who invented the alphabet?

Mystery Doug - 6 years ago

589,131 views
6:32 Fast English (US)

Has a shooting star ever landed on someone?

Mystery Doug & Mystery Science - 6 years ago

1,440,028 views
6:43 Fast English (US)

Whats the biggest apple in the world?

Mystery Doug - 6 years ago

858,751 views
6:27 Fast English (US)

What causes the Northern Lights?

Mystery Doug - 6 years ago

521,840 views
6:36 Fast English (US)

Why isnt Pluto a planet anymore?

Mystery Doug - 6 years ago

1,764,076 views
7:33 Fast English (US)

How can you tell if a mushroom is poisonous?

Mystery Doug - 6 years ago

4,072,574 views
5:50 Fast English (US)

How do bees make honey?

Mystery Doug - 6 years ago

1,310,433 views
5:41 Fast English (US)

How are diamonds made?

Mystery Doug - 6 years ago

889,111 views
7:59 Fast English (US)

What is a black hole?

Mystery Doug - 6 years ago

1,669,040 views
4:58 Fast English (US)

Why do we yawn?

Mystery Doug - 6 years ago

260,014 views
5:39 Fast English (US)

Who invented pizza?

Mystery Doug - 6 years ago

1,000,494 views
4:27 Fast English (US)

Do fish sleep?

Mystery Doug - 6 years ago

613,095 views
6:03 Fast English (US)

How do batteries work?

Mystery Doug - 6 years ago

505,844 views
6:30 Fast English (US)

How do earthquakes happen?

Mystery Doug - 6 years ago

1,950,877 views
4:42 Fast English (US)

How do magicians trick people?

Mystery Doug - 6 years ago

1,894,624 views
5:16 Fast English (US)

How is plastic made?

Mystery Doug - 6 years ago

956,205 views
5:46 Fast English (US)

Is Pluto a planet?

Mystery Doug - 6 years ago

938,108 views
7:02 Fast English (US)

Why can't airplanes fly to space?

Mystery Doug - 6 years ago

603,199 views
6:04 Fast English (US)

Why is the ocean salty?

Mystery Doug - 6 years ago

779,534 views
5:11 Fast English (US)

Who invented football?

Mystery Doug - 6 years ago

282,600 views
6:02 Fast English (US)

Why do we get hiccups?

Mystery Doug - 7 years ago

331,325 views
8:33 Fast English (US)

Why does the moon turn blood red during a lunar eclipse?

Mystery Doug & Mystery Science - 7 years ago

1,957,139 views
4:38 Fast English (US)

How is glass made?

Mystery Doug - 7 years ago

1,325,192 views
5:38 Fast English (US)

How is money made?

Mystery Doug - 7 years ago

1,583,199 views
4:53 Fast English (US)

Why is Mars red?

Mystery Doug - 7 years ago

471,379 views
6:17 Fast English (US)

How many people are in the world?

Mystery Doug - 7 years ago

947,722 views
6:03 Fast English (US)

What is the biggest spider in the world?

Mystery Doug - 7 years ago

5,156,690 views
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