Audio files ArchiveFebruary 13, 2020 - February 19, 2020 音声ファイル一括ダウンロード Study: Stress and Extreme Tiredness Linked to Deadly Heart Disease Posted February 19, 2020 College Professor Gains Popularity because of Unique Teaching Style Posted February 18, 2020 US Hotel Industry Growing, but Labor Shortage Slows Down Expansion Posted February 17, 2020 Marine Life Threatened as Ocean Oxygen Levels Fall Posted February 16, 2020 Nutritionists Warn Vegans about Lack of Important Vitamin Posted February 15, 2020 Self-Talk Helps Children Improve Math Performance Posted February 14, 2020 Facebook Users’ Personal Information Illegally Publicized Posted February 13, 2020