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Inventions of the last 2,000 years
Recently, hundreds of scientists and philosophers were asked to name the most important invention of the last 2,000 years. You might (1)__________ people to say the Internet, penicillin or the internal combustion engine, but in (2)_________ nobody did. One scientist (3)__________ for paper because, long before the Internet, paper allowed ideas to be sent around the world. (4)__________ scientists agreed that modern medicine has helped millions of people, but said (5)__________ inventions, such as soap and pipes for clean and dirty water, have (6)_________ more lives. One philosopher said hay was the most important because it’s winter food for horses. Without (7)__________, horses couldn’t exist in cold climates, which (8)_____ that there couldn’t be cities in places colder than Athens and Rome. So, thanks (9)_________ hay, Vienna, Paris, London and Berlin were built! Someone else named the mirror because in (10)_________ at our own faces we can learn about human beings in general