xkcd.reader inoffiziell · kein Affiliate
? 1217 / 3238 27.5.2013

Cells

Now, if it selectively kills cancer cells in a petri dish, you can be sure it's at least a great breakthrough for everyone suffering from petri dish cancer.
Alt-Text (der eigentliche Witz)
Now, if it selectively kills cancer cells in a petri dish, you can be sure it's at least a great breakthrough for everyone suffering from petri dish cancer.