thoughtco

ThoughtCo is an educational reading app for science, humanities, languages, and study skills. Open a clear article, search a topic, and save it for later. No account is required.

Read included articles on:
• Science: chemistry, physics, biology, astronomy, computer science, animals and nature, mathematics, and geology
• Humanities: history, world history, American history, literature, philosophy, visual arts, geography, and culture
• Languages: Italian, French, Spanish, Japanese, English, German, and language-learning tips
• Study resources: academic writing, Chicago style, college basics, study skills, research and references, teacher resources, and grammar

What you can do
• Browse categories and featured reading
• Search articles by topic
• Open related reading from any article
• Bookmark articles and review your reading history
• Adjust text size and switch between light and dark themes

Articles are included in the app, so you can read them without signing in. Bookmarks, history, and settings stay on your device.

ThoughtCo is for students, teachers, and curious readers who want plain-language explanations of school and general-knowledge topics.