1) The concept of human rights advocates for the basic rights and freedoms to which all individuals are entitled, regardless of their nationality, ethnicity, religion, or other characteristics.

2) The first consumer digital video recorder (DVR), the TiVo, was introduced in 1999 and allowed users to record and store television programs for later viewing.

3) The game of basketball was invented by Dr. James Naismith in 1891 and has since grown into a global sport played at both amateur and professional levels.

4) Bats are the only mammals capable of sustained flight.