1) The Atlantic Ocean is the second-largest ocean and is known for its strong ocean currents, including the Gulf Stream.

2) The Triple Crown in horse racing consists of three prestigious races: the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes.

3) 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.

4) The word "oxygen" contains two vowels: O and E.