Continuing on from episode 34, I discuss in detail the processes of DNA replication, transcription from DNA to RNA, and the translation of RNA to proteins. In doing so I examine the molecules and structures involved, the mechanisms of their operation, and how all the processes work together to facilitate the production of proteins from DNA.

Continuing on from episode 34, I discuss in detail the processes of DNA replication, transcription from DNA to RNA, and the translation of RNA to proteins. In doing so I examine the molecules and structures involved, the mechanisms of their operation, and how all the processes work together to facilitate the production of proteins from DNA.

In part 1 of this two-part episode, I discuss the double helix shape of DNA, the structure of nucleotides, base-paring between nitrogenous bases, the genetic code, codons, DNA reading frames, the one-gene one-polypeptide hypothesis, and the Central Dogma of Molecular Biology. This basic structural knowledge will provide the basis for a more detailed discussion of the processes of DNA replication, transcription and translation in part 2 of this topic. Recommended background knowledge of episodes 10 (The Cell) and 18 (Biochemistry Basics).

A discussion of three of the most chilling experiments in the field of social psychology: the Ash Conformity Experiment, the Stanford Prison Experiment, and the Milgram Obedience Experiment. In each case I discuss the motivation and setup of the experiment, outline the results, discuss replications and variations of the original experiment, and end with a look at the implications of the experiment for understanding the darker side of human nature.

A discussion of three of the most chilling experiments in the field of social psychology: the Ash Conformity Experiment, the Stanford Prison Experiment, and the Milgram Obedience Experiment. In each case I discuss the motivation and setup of the experiment, outline the results, discuss replications and variations of the original experiment, and end with a look at the implications of the experiment for understanding the darker side of human nature.

A discussion of the nature of light and its interactions with matter, including a journey through the history of our understanding of light from Newton’s corpuscular theory through early wave theory and up to the modern wave-particle duality understanding. Following this is an analysis of the various ways light interacts with matter, including absorption, reflection, transmission, refraction, dispersion, and transparency.

An analysis of liquids and their behaviour when mixed with other substances, incorporating a look at solutions, mixtures, colloids and suspensions. Special emphasis is placed on solutions, with a more detailed discussion of solubility, saturation, molarity and bubble formation.

An overview of the various forms of government that have existed throughout history and across the world, including a discussion of anarchy, democracy, monarchy, autocracy, and various forms of oligarchy, giving some key characteristics and important examples of each. Also includes an introduction to the principles of classification and political comparison.

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An overview of the various forms of government that have existed throughout history and across the world, including a discussion of anarchy, democracy, monarchy, autocracy, and various forms of oligarchy, giving some key characteristics and important examples of each. Also includes an introduction to the principles of classification and political comparison.

Continuing on from episode 28 on Classical Conditioning, in this episode I discuss another form of learning called Operant Conditioning, including the concepts of reinforcers, punishers, shaping, and schedules of reinforcement. I then apply Operant Conditioning theory to understand phenomena such as animal training and how punishments can be effectively used. The episode concludes with a brief look at a third form of learning, Observational Learning.