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

2) The ocean is home to an incredible variety of marine life, including thousands of species of fish, mammals, reptiles, and invertebrates.

3) The New York Stock Exchange (NYSE) is the largest stock exchange in the world.

4) DNA, the building block of life, can store incredible amounts of data. It is estimated that one gram of DNA could potentially store about 215 petabytes of data.