1) The Olympic motto is "Citius, Altius, Fortius," which is Latin for "Faster, Higher, Stronger."

2) The blue whale is the largest animal to have ever existed, with an average length of about 82 feet (25 meters).

3) The world's oldest known recipe is for beer and is over 4,000 years old.

4) Taylor Swift is an American singer-songwriter known for her narrative songwriting, catchy pop tunes, and successful albums such as "Fearless," "1989," and "folklore." She has won numerous awards, including Grammy Awards, and has a dedicated fan base worldwide.