Not all energy is meant to be spent quickly. In this episode, Medlock Holmes follows fatty acids — dense, efficient stores of energy — as they are released, transported, and broken down with deliberate precision.

Fatty acid catabolism is revealed as a process designed for endurance rather than urgency. We explore how fatty acids are mobilised from storag…

Every complex system has a centre — a place where inputs converge, outputs diverge, and meaning is made. In metabolism, that place is the citric acid cycle.

In this episode, Medlock Holmes steps into the core of cellular energy metabolism and finds a pathway that is far more than a simple loop. The citric acid cycle is revealed as a meeting point for car…

Energy availability is rarely constant. In this episode, Medlock Holmes turns his attention to glycogen — the body’s answer to unpredictability.

Glycogen metabolism is revealed as a system designed not for abundance, but for transition. We explore how glucose is stored efficiently as a highly branched polymer, how rapid mobilisation is achieved when dema…

Glucose is deceptively simple. In this episode, Medlock Holmes discovers that it is not a fuel with a single purpose, but a crossroads — a molecule whose fate depends entirely on context.

We follow glucose as it enters the cell and encounters three competing narratives. In glycolysis, it is broken down rapidly to meet immediate energy demand. In gluconeo…

Up to this point, Medlock Holmes has examined the pieces of life — their structure, their interactions, their messages. In this episode, he steps back and watches the system in motion.

Metabolism is not a list of pathways. It is an economy. Molecules are built, broken, exchanged, and recycled with remarkable coordination. In this opening episode of Bioen…

Having traced structure, catalysis, and boundaries, Medlock Holmes now turns to something less tangible but no less decisive: communication. In this episode, we explore how cells detect change, transmit information, and coordinate responses across space and time.

Biochemical signalling is revealed not as a single pathway, but as a layered language. Hormo…

Life depends on separation. Without boundaries, chemistry becomes chaos. In this episode, Medlock Holmes investigates biological membranes not as static walls, but as intelligent interfaces — structures that regulate exchange, maintain gradients, and enable communication.

We explore how lipid bilayers form selectively permeable barriers, and how embedded…

Lipids rarely receive the attention they deserve. Often reduced to fats and fuels, they are in fact some of the most versatile and consequential molecules in biology.

In this episode, Medlock Holmes investigates lipids as architects of boundaries and modulators of behaviour. We explore their structural diversity — fatty acids, triacylglycerols, phospholi…

Understanding information is one thing. Learning how to access, amplify, edit, and interpret it is another entirely.

In this episode, Medlock Holmes examines the tools that allow humans to question the genetic archive directly. DNA, once seen as untouchable record-keeping, becomes a working document — copied, cut, sequenced, and recombined with precision…

Every investigation eventually leads to records: ledgers, archives, instructions left behind. In biology, those records are written in nucleotides.

In this episode, Medlock Holmes examines the molecular basis of biological information. We explore how simple nucleotide units assemble into nucleic acids capable of storing, transmitting, and preserving inst…