How is a neuron made?  What is the impact of speaking multiple languages on the brain? What is already known about long covid and the brain? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? Do we only use 10% of our brain? How does music affect mental health? Do the male and female brain differ? When are we able to solve MS? Do colours appear the same to everyone? Why is it easier to learn a language as a kid?