Sweden

A benzodiazepine seeping into waterways is causing young Atlantic salmon to behave strangely, with fish in the wild migrating more rapidly and taking more risks on their journey from river to ocean. It even seems to be messing up their social lives.

You’ve got to have a knack for the extraordinary when you smash not one but two Guinness World Records. Stunt rider Magnus Carlsson puts his name to the fastest handlebar-mounted wheelie and the longest distance traveled sitting backwards on a moto.

In most hotels, if the room temperature drops below freezing, there's going to be complaints to the manager – however in the Icehotel that's the whole point. It features sub-zero suites that are decorated with weird and wonderful frozen sculptures.

People living in part of Sweden will soon be receiving food deliveries by drone. The service, which utilizes multicopters that look rather like old-timey milk transportation cans, may subsequently be introduced throughout the country and beyond.

Vidde has introduced its pre-series all-electric Alfa snowmobile with the bold claim that it's the cleanest snowmobile in the world. The 174-hp Alfa powers up in temperatures below -30 °F, slashing through snow for 60 miles a charge.

Every December, Sweden's Icehotel hosts chilly hotel rooms that are decorated with wonderfully creative ice sculptures. This year's selection of frozen art ranges from nature scenes to abstract forms depicting the birth of a star.

Researchers have examined the teeth of Swedish Vikings and found that aside from decay and loss, they engaged in surprisingly advanced dental practices not dissimilar from modern practices. The study provides a rare insight into Viking life.

Modern timber construction continues to go from strength to strength, with the latest major development recently revealed for Sweden. Described as the world's largest wooden construction project, it will include 2,000 homes made from timber.

Swedish government-owned mining company LKAB has reported the largest deposit of rare earth metals ever discovered in Europe – more than a million tonnes of rare earth oxides, which will be invaluable in the race toward decarbonization.

In most hotels, if the temperature dropped to -5 °C inside the room, there would be complaints made to the front desk, but that's the whole point of Sweden's Icehotel. The annual attraction is now open and is defined by amazing ice sculpted art.

Normally, Sweden building its first new class of submarines in 30 years wouldn't be of as much interest, but Saab laying the keel of its first Blekinge-class boat as Sweden waits to join NATO signals a shift in the balance of power in the Baltic Sea.

Back in March, we reported on a remarkable new spherical treehouse-style hotel designed by the Bjarke Ingels Group that was to be covered in birdhouses. The one-of-a-kind getaway is now complete and has opened to visitors in Sweden.