1) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.

2) The word "guitar" contains three vowels: U, A, and I.

3) The ocean covers about 71% of the Earth's surface and contains roughly 97% of the planet's water.

4) Chocolate chip cookies, a beloved sweet treat, were invented by Ruth Graves Wakefield in the 1930s. Wakefield ran the Toll House Inn in Massachusetts and added chopped chocolate to her cookie dough, expecting it to melt and create an all-chocolate cookie. Instead, the chocolate bits retained their shape, giving birth to the classic chocolate chip cookie. Today, they are a staple in cookie jars, dessert menus, and homemade baking, enjoyed by people of all ages.