I just came across a company yesterday that is using engineered microbes (with a kind of bar code coded in them) as tracers for food. Personally it sounds a bit

I just came across a company yesterday that is using engineered microbes (with a kind of bar code coded in them) as tracers for food. Personally it sounds a bit icky. https://www.aanikabio.com/ https://www.aanikabio.com/