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

2) The Pacific Ocean is the largest ocean on Earth, covering more than 30% of the planet's surface.

3) The longest English word is "pneumonoultramicroscopicsilicovolcanoconiosis," which refers to a lung disease caused by inhaling very fine silica dust.

4) The highest-grossing concert tour of all time is U2's "360° Tour," which earned over $735 million in ticket sales.