1) Oceans play a crucial role in regulating the Earth's climate by absorbing and storing large amounts of heat and carbon dioxide.

2) The sunflower is not a single flower but a cluster of small flowers arranged in a spiral pattern.

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