1) Insurance premiums are the payments made by policyholders to insurance companies in exchange for coverage.

2) The first modern health insurance policy was introduced in Germany in the late 19th century.

3) The world's largest diamond, the Cullinan, was discovered in South Africa in 1905 and weighed over 3,000 carats.

4) The word "computer" contains three vowels: O, U, and E.