Playing games could be a solution to saving energy. Using energy more efficiently is, of course, a crucial part of fighting climate change, since oil and fossil fuels continue to be the most important energy source in the world, including Europe .

Global warming is leading to an increase in mosquito-borne diseases such as malaria . It is considered the plague of developing countries. According to the World Health Organisation , it is responsible for one child death every minute.

With a drop of blood and some laboratory analyses, doctors have been able to tell patients whether they suffer from diabetes or some sort of cancer.

Patients affected by a bacterial infection can usually be treated with an antibiotic. But sometimes a resistant bacterial strain is causing the infection .