This issue of Catalyst contains the following articles:

The Most Accurate Thermometer in the World

This article looks at how a highly accurate thermometer measures temperatures by finding the speed of sound in a gas.

The mission of the Natural Environment Research Council (NERC) is to gather and apply knowledge, improve understanding and predict the behaviour of the natural environment and its resources. It was established in 1965.

NERC funds and manages research and training in earth system science, advancing knowledge...