Antissepsia e stone tool: o que têm em comum

1. Passo 1. Antissepsia — utiliza — Germ theory of disease. Lister relied on Pasteur’s work.
2. Passo 2. Germ theory of disease — é utilizado em — Vaccine. Pasteur developed vaccination on the basis of germ theory.
3. Passo 3. Vaccine — utiliza — Syringe. Injections.
4. Passo 4. Syringe — tem como parte — Needle. A hollow needle.
5. Passo 5. Needle — evoluiu de — Stone tool. Bone needles with an eye are part of the Palaeolithic toolkit.

Abrir Evothings