Learn geography through quizzes on six continents: Asia, Europe, Africa, North America, South America, and Oceania. Explore themes like islands, seas, mountains, and deserts.
Access scientific journals from reputable publishers like Nature, Science, and Cell. Filter content by subject categories including biology, chemistry, and genetics. Subscribe to RSS feeds for real-time updates and stay informed about the latest .
English-Japanese and Japanese-English dictionaries with over 100,000 entries each. Includes audio pronunciations, example sentences, and TOEIC® vocabulary. Features flashcards, iCloud bookmarks, and social media sharing.
