this is marieke. >> hi. >> tell us what you do here? >> well, we have a lot of insects here. we breed ten species. >> wow. >> most of the insects are for the animal consumption, but we have one insect also for the human consumption. >> okay, can you show us how you do it, where you do it? >> yes, of course. come on in. >> okay. (pause) wow. >> yeah. >> those worms are big enough for selling. coming week, they get sieved and then we sell them. >> let me see. >> you can put more worms in one place than you can put cows. i think there is between 700 and 1,000 kilos only in this room. >> of insects? >> of insects, yes. >> insects are great at turning plants into protein. it takes ten kilograms of plant matter to make just one kilogram of beef, but that same ten kilograms will produce nine kilograms of insect protein. this is "cause they"re cold-blooded and don"t need to waste any energy in controlling their body temperature. okay, so we've done our feeding of the mealworms. the next stage of the process is now to take the mature worms out. oh my god! wow! wow, look at that! there