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concept and applied it to normal phone calls. So, you’re making a phone call to somebody from Japan in Japanese, on the other side of the world, for example in Britain. It will take that Japanese voice, do the real-time machine translation on the server, couple of seconds later it would bring it back down to you in English. Or at least that’s the idea. Neil: So, the difference is that this app allows people to speak to foreigners in real time – with a slight pause while the real-time translation takes place. Jen: So, which languages does it convert? Neil: At the moment, Japanese to English, Mandarin and Korean. But more are to follow. Jen: I suppose the big question is “How accurate is the translation?” Neil: Yes, that is the big question. The BBC’s Richard Taylor tried it out with the help of a Japanese translator. What did he ask and how good does the translator think the app is? BBC correspondent Richard Taylor: Reporter: Hello, how are you? Are there any good restaurants around here? Smartphone: [Japanese reply] Reporter: How well did that do as a translation, first of all? Japanese translator: Well, it’s understandable but it’s not perfect. Answer: 6,000 languages. Unit V Tapescript Penicillin was the world’s first antibiotic. Antibiotics are drugs that can cure illnesses caused by bacteria. Before penicillin, people could die from a small wound in their skin if bacteria made the wound become infected! Alexander Fleming discovered penicillin in 1928, but two other scientists, Howard Florey and Ernst Chain, tested penicillin to find out if it was safe to use. They also made penicillin that they could inject. Penicillin helped thousands of wounded soldiers during World War II, between 1939 and 1945. Since that time, penicillin has saved the lives of millions of people.