1) The first commercially available digital camera, the Dycam Model 1, was introduced in 1990 and had a resolution of 376 x 240 pixels.

2) Online banking and mobile banking have become increasingly popular, providing convenient access to banking services through digital platforms.

3) The study of fossils is called paleontology, and it helps us understand the history of life on Earth and the process of evolution.

4) The game of baseball, often referred to as "America's pastime," is played between two teams of nine players and has a rich history dating back to the 18th century.