Stock list
Everything on the shelf
Every article we have published, newest at the top. Each one starts by answering the question in its title.

How much caffeine is in a cup of tea?
The NHS uses about 75mg as its working figure. Real cups vary widely, and the colour of the leaf is a poor guide.
Photo: David J. Fred, CC BY-SA 2.5, cropped
Afternoon tea and high tea: what is the difference?
One was a dainty stopgap for the rich. The other was the main meal of a working day.
Photo: Andy Li, CC0
Why does tea taste different in hard water?
If your cup grows a skin and tastes flat, blame the tap before you blame the tea.
Photo: Lee Haywood, CC BY-SA 2.0, cropped
How should you store loose-leaf tea, and how long does it keep?
An opaque, airtight tin in a cool cupboard, well away from the spice rack. The fridge is not your friend.
Photo: Daderot, Public domain
How long should you brew loose-leaf tea?
Three to five minutes for most black tea, less for almost everything else. Five dials and how to use them.
Photo: AlphaLemur, CC BY 4.0, cropped
Black, green, oolong, white: what makes them different?
One plant, and a good deal of kitchen work. Oxidation decides most of what ends up in your cup.
Photo: Vyacheslav Argenberg, CC BY 4.0, cropped