Humorous; and cash.
funny - money
1820 Two Russian explorers discovered this unpopulated continent.
Antarctica
An estimation or conjecture; and, to iron.
guess - press
1848 This was discovered at Sutter’s Mill in Northern California.
a nugget of gold
Not used; and the moisture that forms on plants at night
new - dew
1870 Political cartoonist Thomas Nast first used this animal symbol for the Democratic Party in a Harper’s Weekly cartoon.
A donkey
A gentle wind; and to store food below 32° Fahrenheit.
breeze - freeze
1892 An immigrant-processing gateway opened on this small island between New York and New Jersey.
Elis Island
A percussion instrument; and how your jaw feels after Novocain.
drum - numb
1945 Officials added this chemical to the drinking water in Grand Rapids, Michigan, in an experiment to improve dental health.
Fluoride