1) The word "piano" contains three vowels: I, A, and O.

2) The first recorded car accident occurred in 1891 in Ohio.

3) Sloths only poop once a week, and when they do, they lose about one-third of their body weight.

4) The concept of separation of powers, as articulated by French philosopher Montesquieu, refers to the division of government responsibilities into distinct branches, such as the executive, legislative, and judicial, to prevent concentration of power.