Which inventions of the 20th century had the greatest positive impact on human lifespan?
It would be hard to argue against vaccinations or antibiotics, which have combined to limit or eliminate many life-threatening diseases throughout most of the world, such as polio, tuberculosis, and bacterial infections. Improved labor and delivery practices have significantly cut down maternal and infant morbidity rates. Electricity and synthetic fertilizers have also played key roles in establishing safe and plentiful food supply chains. There are many other examples as well.
Que invenções do século 20 tiveram o maior impacto positivo na vida útil humana?
É difícil argumentar contra vacinas ou antibióticos, que se combinaram para limitar ou eliminar muitas doenças que ameaçam a vida em grande parte do mundo, como poliomielite, tuberculose e infecções bacterianas. Melhoras práticas de trabalho e parto reduziram significativamente as taxas de morbidade materna e infantil.