1) In Greek mythology, Pandora is the first human woman created by the gods. She is known for opening a forbidden box (commonly mistranslated as a "Pandora's box") and releasing various evils into the world. However, hope remains trapped inside the box, offering a glimmer of light amidst the darkness.

2) The Eiffel Tower can be 15 cm taller during the summer due to thermal expansion.

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

4) The concept of campaign finance refers to the funding and financial resources required to support political campaigns, including donations from individuals, organizations, and political action committees (PACs).