mjcrawf's channel

In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies creat...

Why do some years have an extra leap day and what is it for?

Also check out MinutePhysics' video: http://www.youtube.com/watc... & SciS...

http://davidramirezmusic.com

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iTunes: http://tinyurl.com/6tp33lh

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A Mashup Mix of 2 songs:

Lady Gaga - Born This Way

Madonna - Express Yourself

A comparison of 2 songs that have the same melody.

NO COPYRIGHT I...

We Do Work

This is Breeden at the Beach!

Matt Crawford's Application Video

haha