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

2) Honey never spoils. Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.

3) The Hubble Space Telescope, launched in 1990, has provided breathtaking images of distant galaxies and deep space.

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