What about Fear of water? Phobias: xenophobia definition is a bit simplistic; yes 'strangers' but also more towards the fear of foreigners. Usually, used socially and culturally than just 'strangers' but I digress.
The brain and their functions: Frontal Lobe, Parietal Lobe, Occipital Lobe, Cerebellum and Temporal Lobe. It also discusses the right and left hemispheres of the brain and what they are responsible for controlling.
Dark Energy Dark Matter The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss) The Universe in a Jelly Bean Jar