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Mystery Doug

129 Videos (Page 3/3)

6:26 Fast English (US)

How do things glow in the dark?

Mystery Doug - 7 years ago

692,791 views
5:36 Fast English (US)

Why do people from England sound different than people from America?

Mystery Doug - 7 years ago

941,346 views
5:32 Fast English (US)

How is gold made?

Mystery Doug - 7 years ago

3,053,610 views
5:04 Fast English (US)

What's worse: a hurricane or a tornado?

Mystery Doug - 7 years ago

7,357,653 views
4:36 Fast English (US)

Why is it so hard for firefighters to put out wildfires?

Mystery Doug - 7 years ago

3,517,024 views
4:32 Fast English (US)

How close could an astronaut get to the sun？

Mystery Doug - 7 years ago

562,333 views
5:07 Fast English (US)

How do you make a Mystery Doug video?

Mystery Doug - 7 years ago

740,768 views
5:20 Fast English (US)

Why are tornadoes so hard to predict?

Mystery Doug - 7 years ago

4,399,603 views
5:43 Fast English (US)

How are pencils made?

Mystery Doug - 7 years ago

1,995,301 views
4:30 Fast English (US)

Why are butterflies so colorful?

Mystery Doug - 7 years ago

448,676 views
4:46 Fast English (US)

Is Earth the only planet with life?

Mystery Doug - 7 years ago

694,440 views
5:55 Fast English (US)

How deep does the ocean go?

Mystery Doug - 7 years ago

1,625,776 views
5:27 Fast English (US)

How does hand sanitizer kill germs?

Mystery Doug - 7 years ago

653,266 views
6:12 Fast English (US)

How is a rainbow made?

Mystery Doug - 7 years ago

765,526 views
5:42 Fast English (US)

How do broken bones heal?

Mystery Doug - 7 years ago

1,154,651 views
5:49 Fast English (US)

What would happen if football players didn't wear helmets?

Mystery Doug - 7 years ago

665,135 views
6:08 Fast English (US)

What are some of the weirdest sports in the Olympics?

Mystery Doug - 7 years ago

693,970 views
4:18 Fast English (US)

Why do penguins have wings if they can't fly?

Mystery Doug - 8 years ago

416,344 views
5:53 Fast English (US)

Why is snow white?

Mystery Doug - 8 years ago

1,095,635 views
6:01 Fast English (US)

Where does chocolate come from?

Mystery Doug - 8 years ago

1,355,075 views
5:56 Conversational English (US)

Why do owls say hoo?

Mystery Doug - 8 years ago

1,015,889 views
4:57 Fast English (US)

Do bats really drink blood?

Mystery Doug - 8 years ago

410,044 views
4:04 Fast English (US)

Why do our skeletons have so many bones?

Mystery Doug - 8 years ago

284,230 views
5:40 Fast English (US)

How were emojis created?

Mystery Doug - 8 years ago

1,036,400 views
5:37 Fast English (US)

Why do different places have different times?

Mystery Doug - 8 years ago

1,085,305 views
5:26 Fast English (US)

Why do leaves change color in the fall?

Mystery Doug - 8 years ago

218,990 views
5:22 Fast English (US)

Why are hurricanes so dangerous?

Mystery Doug - 8 years ago

3,195,993 views
4:36 Fast English (US)

How do they turn wood into paper?

Mystery Doug - 8 years ago

1,050,382 views
4:29 Fast English (US)

Where does metal come from?

Mystery Doug - 8 years ago

480,079 views
4:41 Fast English (US)

Why do we call them donuts?

Mystery Doug & Mystery Science - 8 years ago

1,027,667 views
5:43 Fast English (US)

Why does this rock look like a sponge

Mystery Doug & Mystery Science - 8 years ago

524,702 views
5:16 Fast English (US) B1

Could a turtle live outside its shell?

Mystery Doug - 8 years ago

2,415,347 views
4:54 Fast English (US)

Why do we get goosebumps when we're cold?

Mystery Doug - 8 years ago

1,011,323 views
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