Tilapia -- a "food fish" from before Biblical times. They are known around the world as light, tasty fish. And yes, they are easily farmed! This site explains and describes more about these fish.
Japanese movies -- examples of exquisite cinematography as well as some of the cheesiest film-making. All of which are a lot of fun to watch. My impressions and experiences with these movies are here.
Boxes sometimes make better amusements for kids than the toy they contained. This website describes some of the cool things you can do with the boxes around your place!
Cone shells, of the family Conus, are beautiful mollusks that live in the tropical waters of the Indo-Pacific. They are beautiful, but deadly animals. This site explains more about them.
Sea cucumbers -- a strange animal (yes, an animal) that lives in most of the waters of the world. Not a vegetable, but an animal. Related to starfish (sea stars) and sea urchins.