Planning a Secret Santa, or looking for the last-minute wins that still feel special, this gift guide is designed to make gifting easier and more meaningful.

Learn more about eLife assessments Blood flow to the brain is a sensitive marker of neuronal activity as well as of a number of diseases, including stroke, tumours and neurodegenerative conditions.

There are currently five stocks that have a valuation of $2 trillion or more. Outside of these five, only a handful of others ...