Scientists unearth Superman's "kryptonite" Neato burrito. http://today.reuters.com/news/articlenews.aspx?type=scienceNews&storyid=2007-04-24T050423Z_01_L23292255_RTRUKOC_0_US-BRITAIN-KRYPTONITE.xml
Tie breaker! He linked to CNN. They in turn referenced Reuters. I linked directly to Reuters. I win the Internet!
I had actually linked somewhere else first but found the CNN link and edited my post. I PWN TEH INTERWEBS.
"White,Powdery Substance with no florine and non radioactive." Jaradite? seems rather dull in comparison.
There's a difference though. In Superman III there was an unknown compound when Kryptonite was analyzed.
This is the biggest missed naming opportunity since Australia failed to name the "AC/DC Expressway" the "Highway to Hell".