Penulis: Filipe Mergulhao

It is a natural tendency of microorganisms to attach to surfaces, to multiply and to embed themselves in a slimy matrix, resulting in biofilms. Biofilms constitute a protected growth modality that al …

Methamphetamine (meth) is a powerful, highly addictive stimulant drug that has limited medical uses. Today, meth can be made by anyone using easily obtainable household goods and consumer products. A …