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Saeba Ryo, drawn in 8.15.2016

Saeba Ryo, drawn in

tumblr_nfizgv4XmK1rc3t24o1_500.jpg (500×500)

tumblr_nfizgv4XmK1rc3t24o1_500.jpg (500×500)

천도교 중앙대교당. 1921년 완공

천도교 중앙대교당. 1921년 완공

14LaAc_periodic_table_IIb.jpg (1576×844)

Chemistry textbooks as we know it are officially out of date, as four new elements will soon be added to the periodic table. Elements 117 and 118 have formally been recognized by the International Union of Pure and Applied Chemistry (IUPAC).