Complete the sentences using the nouns in the box.Some of them may need to be in the plural. invention/discovery/theory/laboratory/experiment/research
1)The computer is one of the most importantof the late 20th century.
2)Dr Hawking had an interesting about how the universe developed.
3)According to recent, most people don't understand modern science.
4)This with white mice is designed to test their intelligence.
5)Astronomers have announced the of new planet.