Examples of the matrix Dr Sarah Berry, a nutritional scientist at King’s College London, says almonds are a good example of how changing a food’s matrix can alter its potential benefits to our health.

Most processes and structures in nature follow the principle of “minimum inventory/maximum diversity” (Ref. 1). The diversity of natural forms is even more astonishing if we consider their ...

A well-known problem in numerical ecology is how to recombine presence-absence matrices without altering row and column totals. A few solutions have been proposed, but all of them present some issues ...