Unsolved mysteries and economic theories explored.
The app presents over 100 natural and historical unsolved mysteries that currently defy scientific explanation. It also includes content related to "The Road to Serfdom," discussing economic systems and individual freedom.
by 红 陈★ 5.02 ratingsReferenceFreeData updated 2026-10-16
Provides information about through interactive exhibits and multimedia content. Allows users to navigate exhibits, view historical data, and access educational materials. Includes quizzes and guided tours for deeper engagement.
This app presents a multilingual storybook with illustrations and narration. It includes two games: Memory Match and Jigsaw puzzle, designed for children's enjoyment and cognitive engagement.
The app presents an argument that the classic 1962 movie has been misunderstood. It includes scholarship on the film, 3D models, diagrams, and magnifications of key moments.
The app presents an interactive children's storybook featuring the tale of Bawang Merah and Bawang Putih. It includes narration, animations, sound, and educational games for children.
The app teaches vocabulary related to the farm, size, and quantity concepts. It includes 16 farm animals, fruits, vegetables, numbers 1-5, and size differentiation through learning and play modes.
The app provides access to 7300 Hadiths compiled on various topics and questions. It also includes detailed accounts of the Prophet Muhammad's and his companions' lives.
The app provides bird sounds and images, along with their characteristics and interesting facts. It also includes a competition-entertainment section and a selected section for users.
The app contains legal texts related to intellectual property rights. It includes laws for patents, utility models, designs, trademarks, unfair competition prevention, and copyrights.
Search targets, coordinates, or observations with data
Access data products from the Space Observatory. Search by target name, sky coordinates, or observation identifier. View processed scientific data and metadata. Download and analyze observational results.
Search for medications by trade or scientific name using a comprehensive database. Filter results by drug form. View drug classifications, interactions, dosages, administration methods, and patient tips.
The app presents over 100 paintings by Vincent van Gogh, including details on background, location, and techniques. It allows sorting and searching of artworks, and is available in six languages.
The app offers 100 English lessons and tools for Portuguese speakers to improve their English. It includes offline packages with a dictionary, basic lessons, words, phrases, grammar, and video lessons.
Browse courses related to content. Enroll in classes and track progress. Access new courses and content updates regularly. View course details and manage learning activities within the .
Al-Faisal provides definitions for finance, accounting, banking, and related terms. Users can search for terms, view detailed explanations, and access examples. The includes entries on taxation, insurance, law, and commerce.
The app presents significant historical events from the creation of the world to the present day. It details who left their mark on history on any given day.
The app presents videos of vocal fold pathologies including bilateral paralysis, paresis, and superior nerve issues. It includes audio clips of patients reading and animated illustrations for learning.
The app presents general knowledge across seven topics and six epochs through crash courses. It includes 600 images and graphics, offering a unique overview of developments and connections.
The app provides a checklist of birds found in France, Germany, Belgium, and Holland, as well as Colorado. It also includes sound recordings for 50 common bird songs.