Something that always kept my attention is Nature and the way life is developing all around our planet.
When I was a kid I had the chance to read and see wonderful books. With nice illustrations and easy to understand texts. The rest was my imagination.
In our days I see the impact of technology in the way we learn. Much better quality contents are available in many different formats: magazines, TV programs, movies, web sites.
Again The National Geographic Society made an outstanding achievement: "Animals in the womb". I was able, during the TV program, to make the first explanations about how the life starts to my 3 years old son. You can see a video preview of the program: here