By Claire LEE SEOUL, Dec 19, 2023 (AFP) – When news broke about a bedbug outbreak in his native South Korea, 29-year-old blockchain engineer and self-professed insectophobe Kang Jae-gu got straight to work — on the data. As authorities scrambled to install high-temperature steam heaters at the airport and approve industrial-strength insecticides for home use, Kang started mapping reported infestations. South Korea has been largely bedbug-free for years, but it has seen a surge in […]