Wool is a completely natural material, so it's an excellent option for those who would like to minimize the use of synthetic materials in their diapers. (themonarchmommy.com)
And to complicate matters even more, many vitamin and mineral supplements are made with synthetic forms of vitamins that aren't readily absorbed, or could actually be detrimental. (truthaboutabs.com)
Researchers working in the field of synthetic biology use components that occur in nature and combine them in a new way. (sciencedaily.com)