Sophisticated phony videos called deepfakes have attracted plenty of attention as a possible threat to election integrity. But a bigger problem for the 2020 U.S. presidential contest may be “dumbfakes” — simpler and more easily unmasked bogus videos that are easy and often cheap to produce. Unlike deepfakes, which require sophisticated artificial intelligence, audio manipulation and facial mapping technology, dumbfakes can be made simply by varying the speed of video or selective editing. They are easier to create and can be convincing to an unsuspecting viewer, which makes them a much more immediate worry. A slowed-down video of House Speaker…

On 7 May, customs officers in Ostend, Belgium, received a box of oysters from the UK. The molluscs had been caught in Essex and transported to Belgium on a 12m (39ft) aluminium-hulled vessel, which traversed the English Channel with no humans on board. It was the world's first unmanned commercial shipping operation. The crewless boat was carefully watched by four people in a control centre in Tollersbury, Essex, headquarters of Hushcraft, the company behind the design and development of the craft. UK and Belgian coastguards also monitored the oysters' progress. "You could actually listen to the waves hitting the boat,"…