On the 16.feb. 2004, while camping in Tasmania, I found a plastic bottle washed up on the beach. I quickly noticed that there was a few rolled up pieces of paper in the bottle. This was very exciting, and I was really looking forward to see what was in the bottle. The letters I found [...]

How good are you when it comes to concentration and perception?
Here is a cool experiment where you can test you ability to focus attention on a certain object in a short video.