Relative size of sand, silt and clay particles

All soils contain mineral particles, organic matter, water and air. The combinations of these determine the soil’s properties – its texture, structure, porosity, chemistry and colour....

The human eye contains structures that allow it to perceive light, movement and colour differences.

Both science and mātauranga pūtaiao build knowledge and understanding about our world. Often, we start with curiosity about something we’ve noticed and we want to find...

Seaweek is New Zealand’s annual national week about the sea. It is coordinated by the Sir Peter Blake Marine Education and Recreation Centre (MERC) and includes...