We usually associate Salmonella bacteria with a dangerous type of food poisoning, but they actually are pretty good at seeking out tumors. That trait made the bacteria a great candidate to deliver a protein that would help knock tumors out.
The beautiful ectoplasmic dance of the cornstarch speaker monster is finally elucidated. In addition to being captivated by its eerily vibrant dance, you can now understand exactly why it happens, thanks to Collin Cunningham from MAKE. He gives a great explanation of cymatics - the study of visible sound and vibration. Check out this amazing hi-def sonic cornstarch sculpture from WonderHowTo's very own WonderDude Mike:
