This will go great with my glow in the dark rosary
Biotechnologists in Taiwan are making luminescent birthday cakes. The glow comes from a phosphorescent protein extracted from red algae.
It would definitely save on the birthday candles.
Here's an interesting quote, though:
...but is not a health concern to consumers as it is completely natural and edible.
like 'natural' and 'edible' just always go together.
...via BoingBoing