Did you know that the discovery of a way to make ammonia was the single most important reason for the world’s population explosion from 1.6 billion in 1900 to 7 billion today?
Penicillin, the wonder drug discovered in 1928, works in ways that are still mysterious almost a century later. One of the oldest and most widely used antibiotics, it attacks enzymes that build the bacterial cell wall, a mesh that surrounds the bacterial membrane and gives the cells their integrity and shape. Once that wall is breached, bacteria die — allowing us to recover from infection.