Uppsala University

Coffee is one of the most widely consumed psychoactive substances on the planet, yet despite more than two billion cups being drunk each day, its impact on heart health remains surprisingly complex – and often misunderstood. This year we got answers.

In what could be an industry shifting breakthrough, researchers have created a screen about the size of a human pupil with a resolution that breaks through the limits of pixels. The invention could radically change virtual reality and other applications.

The method used to brew coffee can significantly affect levels of natural cholesterol-raising compounds called diterpenes, according to a new study. It might be that the way your coffee is made is affecting your heart health.