music: 80's Chart Toppers: Name The Artist: Day In Day Out?

Questions

The seventeen year locust is also know as a _____?

The shape of plant collenchyma cells & the shape of the bubbles in beer foam are the same. What are they called?

The site of Troy is in which modern country?

The Smithsonian Institute houses this 44 & 1/2 carat, cursed blue diamond?

The space occupied by a body is called its ______?