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Unit 4 Scientists who changed the world Welcome to the unit & Reading (I) Lead-in What do we refer to when talking about “science”? “Science” bold hypothesis & cautious verification objectivity & authority be bold & be humble precise & poetic uncertainty & (of) certainty Who do we refer to when talking about “scientists”? Lead-in Einstein & Hawking Yuan Longping & Wu Mengchao Lead-in The scientist is motivated primarily by curiosity and a desire for truth. — Irving Langmuir Welcome to the unit Yuan Longping In 1953, he _ South-west Agricultural College. In the 1970s, he _ _ _ _ the first hybrid rice varieties. Stephen Hawking He _ _ the field of general relativity. In 1988, A Brief History of Time was published and stayed on a bestseller list for _. Scientists who changed the world graduated from succeeded in developing made great contributions to 237 weeks Welcome to the unit Welcome to the unit 1. What else do you know about two scientists in the video? Yuan Longping has an asteroid named after him. In 1999, the asteroid project team who discovered it decided to honour this great man for his achievement in developing hybrid rice. The asteroid is called “Yuan Longping Star”. Welcome to the unit Steven Hawking fulfilled his lifelong dream of experiencing zero gravity, even though he was wheelchair-bound. His dream came true when he flew in a special zero gravity airplane in 2007. Pre-reading What do you know about the Nobel Prize? The Nobel Prize is not a single prize, but five separate prizes that, according to Alfred Nobel‘s will of 1895, are awarded to “those who, during the preceding year, have conferred the greatest benefit to humankind”. Nobel Prizes are awarded in the fields of Physics, Chemistry, Physiology or Medicine, Literature, and Peace Nobel Prizes are widely regarded as the most prestigious awards available in their respective fields. Mo Yan winning the Nobel Literature Prize Fast reading Read for the lead of the news report. Tu Youyou has become the