Amazon, Meta and four other tech giants will have to comply with stricter rules in the EU in future. The EU Commission on Wednesday classified them as "gatekeepers" in order to protect end consumers better.

In El Cosmico in Marfa, Texas, a hotel will be built from a 3D printer. In the middle of the desert. The project is a collaboration between visionary hotel director Liz Lambert and ICON, a leader in advanced building technologies and a pioneer of large-scale 3D printing, and architectural firm BIG-Bjarke Ingels Group.

Where Bernepark Bottrop is today, there used to be a bad smell. This is because the sewage treatment plant of this German city in the Ruhr region was located there. That this was the case can still be guessed at today - if you still sniff the light "sewer air".