Hmm. Take a yukkuri. Now remove a part of its beanpaste and replace it with toothpaste without killing it. Mate it with another yukkuri in the same conditions. Keep removing beanpaste until it becomes pure toothpaste.
Voila! You now have critters that turn scraps of food into perfectly fine toothpaste. Everybody wins.
ukshadow said: Hmm. Take a yukkuri. Now remove a part of its beanpaste and replace it with toothpaste without killing it. Mate it with another yukkuri in the same conditions. Keep removing beanpaste until it becomes pure toothpaste.
Voila! You now have critters that turn scraps of food into perfectly fine toothpaste. Everybody wins.
In other news: New breed of yukkuri used to turn lead into gold.