English is the universal Language, so whatever level you are at, beginner or native speaker you will learn English as a second language and open up a whole new channel of communication which can be used across the world. Physical Science is everywhere despite what you might think. It is not always as complicated as one might assume but can be as simple as explaining why you are able to sit on a chair without falling off. Biology is the study of living organisms, humans, animals etc. This looks at each organism's anatomy, physiology and how all of it relates to the natural environment from organisms as small as a micro bacterium to a gigantic elephant. These courses will be introductory and will enable you with the basics to pave a strong foundation to be built on.