Today’s video round-up provides a look into the high tech, the scientific, and cats wrestling. Plus some tips for YouTube and iTunes.

View more daily video round-ups here.

Desk of the future?

Cat wrestling:

Making a mini V-12 engine:

How to enable the new YouTube design:

The search for heavy elements:

How to enable iTunes “Now Playing” notification popup:

Video games are good for you:

Good ‘ol Ozzy:

Magic: