Floaters or sinkers?

[jkcarrier]

Wired.com asks: If you fall into lava, will you sink or float?

http://www.wired.com/wiredscience/2011/12/the-right-and-wrong-way-to-die-when-you-fall-into-lava/

(Glorianna fans know the correct answer is: You will be transported to the Moon)