Science is not being taught as a life subject. It is all-encompassing. It's about nature and everything around us. We go through a season, through days and nights. These are astronomical phenomena. I don't understand why it was never taught

Sun Kwok (left), Dean of Science, The University of Hong Kong

As a parent, I fully respect the teaching profession. I was once inspired by a maths teacher and developed a keen interest in the subject. However, liberal studies requires such diverse . . . skills it is almost impossible for a normal teacher