1. Laura said that Stephen Hawking had written a book for non-scientists to explain the basic forces of nature. 2. Bill said that Stephen Hawking had fallen ill when he was a student, he can't move any parts of his body. 3. He said that despite his disability he is lucky in almost every other respect. 4. В тексте нет про урок науки, есть только про научный журнал, напишу это. Bill read that Americans invented radio, television, computers, telephones, VCR's, airplanes and many more. 5. Laura said that in America they respect creativity, so the scientists are always looking for faster, cheaper, easier or better ways of doing things which usually means inventing new devices.