calci
The taste of water
We have all studied at school that water is colorless, odorless and tasteless. But in reality we all also have the experience that there are better waters than others. What determines the taste of water? To find out we will make a simple scientific study. We will sample waters from different origins and we will […]
Garraf, a mount of limestone
Eagles, turtles, shellfish and people form their structures due to calcium, a very strong element that is also part of the rocks of the Garraf. “Quèquicom” walks this park to explain calcium cycling. The Garraf is a spectacular rough and rocky mount, located just 30 km from the city of Barcelona. It consists of limestone, […]