1) The sitcom "Friends" is known for its iconic Central Perk coffee shop, where the main characters often gather.

2) The word "telephone" contains five vowels: E, E, O, E, and E.

3) The ocean covers about 71% of the Earth's surface and contains roughly 97% of the planet's water.

4) The intensity of cyclones is often measured using the Saffir-Simpson Hurricane Wind Scale, which categorizes them based on their sustained wind speeds.