Biodiesel: used cooking oils and fats can be used as an alternative to fossil fuels to power vehicles. 

In this post, Jayne gives examples of different types of lipids and explains what they are composed of and their corresponding functions in the human body. There are different types of Lipid found in living organisms. Triglycerides, phospholipids and sterols are those you are likely to come across at A Level. A typical question may ask you to descr...

DOWNLOAD FREE FULL VERSION This embedded web version will show the key trends in properties across the periodic table. For full functionality please download the full powerpoint file    Use this video to demonstrate the main periodic trends in properties of elements in the periodic table.  This powerpoint presentation ...

Carbohydrates in one form or another are found in in very many foods.

Carbohydrates or "Carbs" are not only essential components of a balanced diet, providing energy and fibre, but can also provide the raw materials to produce useful, biodegradable "eco"polymers .  Jayne explains.. The truth about carbs - NHS Carbohydrates are the body's main source of energy, but the idea that "car...

The Odessa port plant in the Ukraine produces ammonia and other nitrogenous fertilisers.  

Scientists agree that too much carbon dioxide is still being released into the atmosphere by human activity. Yet in this recent article, the BBC report on how a shortage of carbon dioxide is causing concern for meat producers and consumers amongst others.... Carbon dioxide 'threatens food security' says meat  industry - BBC...

A high power image of bacterial cells.

Comparing Eukaryotic and Prokaryotic Cells In this post Jayne explains how to compare and contrast Eukaryotic and Prokaryotic cells. At A Level there is often a question asking you to give the differences between the two types of cells. Interestingly, the word 'eu' means 'true' and the word 'karyon' refers to 'nucleus.' So 'Euka...