The first in a new series on geomorphology, in which I review the main erosion processes that shape landforms of the natural environment. Here I discu...View Details

An exploration of the role of the neurotransmitter serotonin in the development of depression. I discuss the role of serotonin in promoting the produc...View Details

In this special episode I discuss genetic testing with Kira Dineen from DNA Today. We cover a range of topics including the process and science behind...View Details

A discussion of earthquakes, covering the elastic rebound theory of earthquake generation, the phenomena of deep and intraplate earthquakes, types of ...View Details

A discussion of the awesome power of volcanoes, including an overview of the different types of volcanoes, types of lava and pyroclastics, mechanisms ...View Details

Concluding the two-part series on the circulatory and respiratory systems, I discuss the biochemical mechanisms by which red blood cells and hemoglobi...View Details

An overview of the basic concepts of linear momentum, angular momentum, work and energy. Includes a discussion of the conservation of momentum, why th...View Details

A discussion of the importance of the profit motive and freedom of competition in the efficient operation of a market economy. Includes an overview of...View Details

An overview of how atoms bond together to form different chemical substances, including a discussion of the tree main types of bonds (covalent, ionic ...View Details

An introduction to the key principles of quantum mechanics, beginning with an examination of the quantum-mechanical description of the behaviour of el...View Details