Dyson CameraJet™ turns the smart toothbrush into an active sensing product, making useful feedback and clear privacy design part of the same engineering brief. (News On Japan)

Athletes competing in the Aichi-Nagoya Asian Games began arriving in Japan in greater numbers on September 6, with competitors from countries including Jordan and South Korea entering through Chubu Centrair International Airport in Tokoname, Aichi Prefecture, ahead of the September 19 opening. (News On Japan)

Police are investigating whether one of 11 people gathered at a cake shop in Motosu, Gifu Prefecture, was involved in a fire that left two people dead and three others injured on the night of September 5, after an emergency caller reported that someone had been stabbed and gasoline had been spread before the blaze broke out. (News On Japan)

Prince Hisahito, the only son of Crown Prince Akishino and Crown Princess Kiko, turned 20 on September 6, as he continues to take part in a growing range of official duties as an adult member of Japan's Imperial Family. (News On Japan)

Tokyo has unveiled the design for a major redevelopment of the plaza outside Shinjuku Station's west exit, with a landmark tree, water-play area and event space planned as part of a transformation centered on "greenery, light and people" that is scheduled for completion in 2035. (News On Japan)

The WoW Auction House can look chaotic when you first start using it. Hundreds of listings may appear for the same item, prices can differ dramatically, and a deal that looks excellent at first glance may not be a deal at all. (News On Japan)

Applications for hotel business licenses are rising sharply in Osaka as property owners seek an alternative way to operate short-term rentals following the suspension of new applications under the city's special-zone minpaku program, with the approach drawing growing interest from wealthy Chinese and other overseas investors. (News On Japan)

Asahi Kasei has grown from its roots in Nobeoka, Miyazaki Prefecture, into a global conglomerate with annual sales exceeding 3 trillion yen by repeatedly developing products and technologies that dominate their markets or occupy niches with few direct rivals. (News On Japan)

A 52-year-old restaurant operator was sentenced to 17 years in prison on September 4 for killing his former girlfriend by repeatedly stabbing her in the abdomen and back with two kitchen knives at his home in Higashiosaka, Osaka Prefecture. (News On Japan)

Young people recruited into illegal "dark part-time jobs" through social media and friends are increasingly becoming involved in fraud and violent robberies across Japan, with interviews at a juvenile training school revealing how the promise of easy money, a desire for recognition and fear of criminal groups can gradually leave them feeling unable to escape. (News On Japan)

Tokyo police are investigating the possibility of a serial arson spree after six suspicious fires were reported within about two weeks in the same neighborhood of Adachi Ward, leaving an 81-year-old woman with burns and damaging homes, political party posters, a vending machine and a bicycle. (News On Japan)

The 20th FIBA Women's Basketball World Cup will be held in Berlin from September 4 to 13, 2026. (News On Japan)

Tokyo stocks rebounded on September 4, with the Nikkei 225 closing at 65,020.94, up 806.46 points, or 1.26%, as buying returned to artificial intelligence and semiconductor-related shares after a Wall Street rally, while investors waited for U.S. jobs data and watched the yen, oil prices and Bank of Japan rate-hike expectations. (News On Japan)

An autonomous ride-hailing service developed by British company Wayve launched in London on September 3, with the AI-powered technology also scheduled to begin trial operations in Tokyo by the end of 2026. (News On Japan)

Household spending in Japan fell for an eighth consecutive month in July as consumers continued to economize on everyday purchases such as food and beverages while increasing spending on dining out, accommodation and in-game purchases. (News On Japan)

A late former professor at Asahikawa Medical University has won the Ig Nobel Prize in Medicine for scientifically examining the proper way to blow the nose, extending Japan's streak of Ig Nobel winners to 20 consecutive years. (News On Japan)

Japan's rice market is facing a growing surplus as large volumes of last year's crop remain unsold just as another strong harvest begins reaching the market, forcing retailers to slash prices below cost and leaving farmers warning that losses could make it impossible to continue farming. (News On Japan)

A disaster prevention experiment has shown how quickly a rain-soaked slope can collapse once visible cracks appear, highlighting the need for people in landslide-prone areas to evacuate before conditions become critical as the risk of disasters remains elevated through early next week. (News On Japan)

A Chinese man who received a suspended prison sentence and had his driver's license revoked after striking four elementary school students while driving drunk in 2025 admitted at his first trial on September 3 that he repeatedly drove without a license while still on probation. (News On Japan)

FamilyMart has unveiled a new hybrid checkout system that can operate as either a self-service or staffed register, aiming to reduce checkout-related work by about 20% as labor shortages affect roughly 30% of its franchise stores. (News On Japan)