The oceans throughout history provided seemingly inexhaustible fish for people brave and skillful enough to exploit them. Whenever fish catches declined, fishers would sail farther and farther from home to meet their needs.
If you find a dimension intereseting, we recommend you pick up one or two facts that you find intriguing and place them into your memory. That way you will have 2nd degree information about the topic if it comes up in conversation.
Accordingly, you can do the same with others as well.