Twice each day we scan our YouTube metrics as well as websites on the cutting edge of internet culture to discover the most buzzed about videos.

Hysterical Bubbles!	Rube Goldberg Time Machine	Perform This Way	Gunfire in Homs

1. Molly really likes it when Bennie the dog attacks bubbles. As seen on Urlesque.
2. Purdue University's Rube Goldberg "Time Machine" takes 244 steps to complete, reportedly a world record number. As seen on Boing Boing.
3. Weird Al Yankovic's new single caused quite a stir yesterday when Lady Gaga gave permission for the parody after her manager reportedly denied to grant it.
4. Earlier this week, we highlighted videos from a protest in Homs, Syria that was reportedly broken up by live gunfire from government forces. More alleged video from the moment of that encounter has emerged.