http://www3.nhk.or.jp/news/easy/k10011304581000/k10011304581000.html
http://www3.nhk.or.jp/news/easy/k10011313891000/k10011313891000.html
http://www3.nhk.or.jp/news/easy/k10011306841000/k10011306841000.html
http://www3.nhk.or.jp/news/easy/k10011314781000/k10011314781000.html
http://www3.nhk.or.jp/news/easy/k10011311291000/k10011311291000.html
http://www3.nhk.or.jp/news/easy/k10011343191000/k10011343191000.html
http://www3.nhk.or.jp/news/easy/k10011343931000/k10011343931000.html
http://www3.nhk.or.jp/news/easy/k10011337791000/k10011337791000.html
http://www3.nhk.or.jp/news/easy/k10011336441000/k10011336441000.html
http://www3.nhk.or.jp/news/easy/k10011335151000/k10011335151000.html
http://www3.nhk.or.jp/news/easy/k10011333331000/k10011333331000.html
http://www3.nhk.or.jp/news/easy/k10011344471000/k10011344471000.html
http://www3.nhk.or.jp/news/easy/k10011345771000/k10011345771000.html
14. Bộ Y Tế, Lao động, Phúc lợi Nhật Bản: ”Muốn xét nghiệm lao với người nước ngoài trước khi vào Nhật”
http://www3.nhk.or.jp/news/easy/k10011345581000/k10011345581000.html
http://www3.nhk.or.jp/news/easy/k10011344591000/k10011344591000.html
http://www3.nhk.or.jp/news/easy/k10011345911000/k10011345911000.html
http://www3.nhk.or.jp/news/easy/k10011346711000/k10011346711000.html
18. Viên đá lấp lánh màu đen được tìm thấy ở ruộng thiên thạch thiên thạch có niên đại đến 4 tỉ 600 triệu năm.
http://www3.nhk.or.jp/news/easy/k10011348131000/k10011348131000.html
http://www3.nhk.or.jp/news/easy/k10011348591000/k10011348591000.html
http://www3.nhk.or.jp/news/easy/k10011347801000/k10011347801000.html
http://www3.nhk.or.jp/news/easy/k10010922481000/k10010922481000.html
http://www3.nhk.or.jp/news/easy/k10010922491000/k10010922491000.html
http://www3.nhk.or.jp/news/easy/k10010922421000/k10010922421000.html
http://www3.nhk.or.jp/news/easy/k10011350941000/k10011350941000.html
http://www3.nhk.or.jp/news/easy/k10011351441000/k10011351441000.html
http://www3.nhk.or.jp/news/easy/k10011351191000/k10011351191000.html
http://www3.nhk.or.jp/news/easy/k10011352431000/k10011352431000.html
http://www3.nhk.or.jp/news/easy/k10011355291000/k10011355291000.html
http://www3.nhk.or.jp/news/easy/k10011353551000/k10011353551000.html
http://www3.nhk.or.jp/news/easy/k10011356961000/k10011356961000.html
http://www3.nhk.or.jp/news/easy/k10011354531000/k10011354531000.html
http://www3.nhk.or.jp/news/easy/k10011361561000/k10011361561000.html
http://www3.nhk.or.jp/news/easy/k10011362621000/k10011362621000.html
http://www3.nhk.or.jp/news/easy/k10011363851000/k10011363851000.html
http://www3.nhk.or.jp/news/easy/k10011363171000/k10011363171000.html
http://www3.nhk.or.jp/news/easy/k10011365101000/k10011365101000.html
http://www3.nhk.or.jp/news/easy/k10011369081000/k10011369081000.html
http://www3.nhk.or.jp/news/easy/k10011364661000/k10011364661000.html