Why would people want to remove salt from water? To solve the world's water problem, that's why. Learn all about the efforts to desalinate H2O in cheaper and more efficient ways.
Jul 2025
Using the Earth's Resources: Potable Water in the UK vs. Saudi Arabia 💧 GCSE Chemistry Learning & Revision
This episode contrasts the production of drinking water in the UK and Saudi Arabia. In the UK, abundant rainfall allows for the collection of freshwater, which is then treated through filtration and sterilisation. Conversely, Saudi Arabia, facing low rainfall, relies on seawater ... Show More
8m 2s
Jul 2025
Using the Earth's Resources: Potable Water Sources 💧 GCSE Chemistry Learning & Revision
This episode outlines various origins of drinkable water. We identify fresh water as the simplest source to purify, requiring only filtering and sterilization. In contrast, seawater desalination is presented as the most energy-intensive and costly method. Finally, the text notes ... Show More
7m 18s
Jul 2024
The Evidence: Salt
For eons, salt has been crucial to human health, culture, and diet. On this episode of The Evidence, we explore the strange science of salt taste – why it can be sweet, salty, or even a flavour enhancer. We look at how salt keeps our bodies running, and what happens if we have to ... Show More
49m 27s