From homeless, anonymous guy to TV star, at least for one day. Alexandre has appeared on French media , sitting on a bridge in Lyon, while inviting passers-by to give him money by scanning a QR Code with their smartphone .

The energy landscape in Europe is changing rapidly and the percentage of renewables is steadily increasing. For example, in Germany solar and wind power provided an average of 33% of the total electricity production in 2015.

Almost every one of our cells has an entire copy of our genome. But only differing subsets of genes are active and expressed in any given cell. Epigenetics is the study of how the activity of our genes is controlled and regulated .