Audio files ArchiveApril 23, 2020 - April 29, 2020 音声ファイル一括ダウンロード Egypt’s Oldest Pyramid Reopens to Public Posted April 29, 2020 Company Accidentally Knocks Down Wrong House Posted April 28, 2020 Study: Using Digital Devices Boosts Learning among Children Posted April 27, 2020 Study: Days Were Shorter Millions of Years Ago Posted April 26, 2020 Artwork by Famous Spanish Artist Discovered in Thrift Store Posted April 25, 2020 Fast-Food Chain Fined for Breaking Child Labor Laws Posted April 24, 2020 Study: Frequent Tooth Brushing May Reduce Risk of Disease Posted April 23, 2020