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Mister Doug

5:07

How do you make a Mystery Doug video?

Mystery Science

1M views

4:49

Why do we celebrate April Fool's Day?

Mystery Science

3M views

6:07

What's the smallest animal on Earth?

Mystery Science

182K views

9:05

Why can't we remember being babies?

Mystery Science

1.4M views

6:45

Is the five-second rule true?

Mystery Science

283K views

7:48

Why do we have leap years?

Mystery Science

1.1M views

5:55

Can animals laugh?

Mystery Science

1.3M views

6:41

Which animal has the biggest heart?

Mystery Science

1.2M views

7:28

What's the fastest baseball ever thrown?

Mystery Science

1.1M views

6:56

What's it like to be a twin?

Mystery Science

1.6M views

8:12

Are mermaids real?

Mystery Science

5.3M views

7:32

What's the longest anyone's ever stayed awake?

Mystery Science

1.7M views

7:32

Why don't people eat ostrich eggs?

Mystery Science

5.4M views

5:05

What's worse: a hurricane or a tornado?

Mystery Science

7.7M views

7:47

How do some people get so good at sports?

Mystery Science

642K views

7:35

Why don't islands float away?

Mystery Science

645K views

7:50

What's the most dangerous animal in the ocean?

Mystery Science

1M views