Calin lives in the Romanian city of Cluj. He suffers from melanoma and his mother died from colorectal cancer, aged 58. “It took two months just for a colonoscopy,” he recalls.

Using blockchain in food supply systems is quite a recent research field. Electronic giants and start-ups are testing this technology to enter the market with a new tool to get more trusted information about what arrives on our plate.

In January 2005, a severe storm swept across Northern Europe, from Ireland to Russia. More than 500,000 homes were left without power, with Denmark and Southern Sweden being particularly hard-hit.

Traditionally our electricity grids were designed to move power from large nuclear and fossil fuel power plants to consumers, but renewable energy will see changes to allow smaller power generation from wind and solar to be hooked up to the grid.

Global changes, such as climate warming and stratospheric ozone depletion, are increasingly noticeable. Therefore, there is a need for scientists to have reliable information about atmospheric and stratospheric processes .

We all get vitamin D in two ways – from our diet and from exposure to the sun.  A lack of this vitamin puts young children at risk of bone diseases like rickets and older children and adults at risk of bone softening .

Silver has been used as biocide for medical purposes since the 1930s. Today nanometric size silver particles are used to prevent unpleasant odour caused by bacteria in sport shirts or socks .