Three new case studies have been posted to the IMA’s *Mathematics Matters* series. This aims to address the following problem:

The industry and technology that surrounds us owes a great debt to modern mathematics research, yet this fact is perfectly hidden in its physical manifestation. The concern with this state of affairs is that what is unknown cannot be appreciated or valued.

The new case studies, on finding replacements for fossil fuels and finding a new, non-invasive, way to monitor diabetes, takes the total now available to 26.

IMA: Mathematics Matters.