◇ Seosan Birdland held a ‘Stork nest nesting tower donation ceremony’ on the 25th to restore the ‘Stork’, Natural Monument No. 199. Kim Shin-hwan, an environmental activist who works as a migratory bird keeper in the Cheonsu Bay area in Seosan, Chungcheongnam-do, donated four nests and three nesting towers worth 10 million won. It is planned to be installed and used in the radiation field near Seosan Bird Land. ◇ The Ministry of Science and ICT and the Korean Mathematical Society are mathematicians and scholars in the late Joseon Dynasty.