Making the desert bloom (with fish)

Roi

http://www.jpost.com/Sci-Tech/Article.aspx?id=268094

Postet 04.05.12 kl 10:06

Sprettfisk

Mere her

http://growfishanywhere.com/technology/gfa-nitrogen-cycle.aspx

Postet 04.05.12 kl 10:27