6 Choose one of the discoveries, cat's eyes or penicillin, and make notes for each heading in your notebook.

6. Choose one of the discoveries, cat's eyes or penicillin, and make notes for each heading in your notebook.

Example notes for Penicillin:

• Name and nationality of the inventor: Sir Alexander Fleming, Scottish.
• Country and place of discovery: United Kingdom, London.
• How the inventor discovered it: Fleming observed that mold (Penicillium notatum) inhibited the growth of bacteria (Staphylococcus) in a Petri dish he had accidentally left uncovered.
• Why the discovery is important: Penicillin was the first true antibiotic, revolutionizing medicine by providing an effective treatment for bacterial infections that were previously often fatal.

Example notes for Cat's Eyes:

• Name and nationality of the inventor: Percy Shaw, English.
• Country and place of discovery: United Kingdom, Halifax, Yorkshire.
• How the inventor discovered it: Shaw was inspired by the eyes of a cat reflecting his headlights on a dark road. He developed a reflective road stud made of glass orbs set in a rubber base.
• Why the discovery is important: Cat's eyes greatly improve road safety at night and in poor visibility conditions by reflecting vehicle headlights, guiding drivers and reducing accidents.