Deep time Walk is an amazing app you can explore again and again. I use it very often to take a walk and learn from the evolution of life on Earth. The concept is really original and engaging. Also i love the glossary to get more detailed information about species and geological times.
I don't approve of 'a fool and a scientist'. I've known plenty who qualify as both. It's a slightly disrespectful tinge. The app is a brilliant idea though!