Using the Earth's Resources: Metal Ore Extrac...

This episode details the key ingredients in fertilisers: nitrogen, phosphorus, and potassium. It outlines the chemical production of nitrogen-based fertilisers, specifically ammonium nitrate, highlighting its rich nitrogen content due to its dual sources. We explain that phosphat ...  Show more

In this episode, we look at plants and nitrogen.Plants require nitrogen to produce proteins necessary for growth. While the atmosphere is full of nitrogen gas, plants cannot directly utilise this form. Instead, they absorb soluble nitrates from the soil. Crop harvesting depletes ...  Show more

This episode focuses on the role of photosynthesis in greenhouse farming. 

It highlights how lighting and heating can be manipulated to boost photosynthetic rates, thus increasing crop yield. However, farmers face a crucial economic decision</str ...

In this episode, we discuss food farming techniques.Achieving global food security requires more efficient food production methods. The amount of energy transferred between trophic levels in food chains has implications for food production efficiency because only a fraction of en ...  Show more

In this episode, Jamie discusses the vital strategies to prevent the spread of infections, including maintaining hygiene, isolating infected individuals, safeguarding against vectors, and the importance of vaccination.

Tune in to learn how these measures effectively he ...

In this episode, we explore Biotechnology's role in food production through two key examples. Mycoprotein production, utilising fungal fermentation in vats, creates a high-protein, low-fat meat substitute. Genetic modification is also presented as a means to enhance nutritional v ...  Show more