This is a ChemNet event for students aged 14-18 years. According to the UK Tea Council around 165 million cups of tea are consumed per day in the UK! That's a lot of caffeine! But how much caffeine ...

While black tea, espresso, and coffee bring the most caffeine to the table, green tea packs a moderate amount as well. The content in white teas varies greatly, while herbal teas are practically ...

Caffeine's buzz is so nice it evolved twice. The coffee genome has now been published, and it reveals that the coffee plant makes caffeine using a different set of genes from those found in tea, cacao ...