I just got round to reading this exhaustive investigation of the Nord Stream pipelines sabotage. It's quite a story and also a political powder keg.
Behind the scenes, though, you get clearer statements. Investigators from the BKA, the Federal Police and the Office of the Federal Prosecutor have few remaining doubts that a Ukrainian commando was responsible for blowing up the pipelines. A striking number of clues point to Ukraine, they say.
Concrete is the second-most consumed substance in the world and causes much environmental damage. Despite this, it's needed for essential infrastructure and, paradoxically, will be needed even more to protect against climate change.
Alongside all of this, it has a lifespan of about 100 years, which means much of our infrastructure is hitting that age limit and starting to rot.
This is a fascinating article on our addiction to concrete and the harms that come with it.
AI is definitely being overhyped these days, but there are still some impressive machine learning examples popping up. This real-time parody debate between Trump and Biden is simultaneously hilarious and terrifying.
German artist Mario Klingemann has made a fluffy robot dog that produces art critiques by pooping them out of its butt.