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
The app teaches 100 frequently used Brazilian Portuguese words and phrases. It includes audio recordings from a native speaker and a voice recorder for pronunciation practice.
Study for the DOS certification exam with interactive content on traffic laws, road signs, safe driving, vehicle inspection, control, air brakes, hazardous materials, and passenger transportation.
Look up English and words with definitions. Translate between languages. Type using an integrated keyboard. Access over 50,000 entries including basic, advanced, computer, and scientific terms.
Submission grappling techniques and strategies explained.
The app presents 12 private lessons on submission grappling and no gi jiu jitsu. It includes live rolling footage and analysis for beginning and intermediate players.
Offers interactive GPS-enabled maps with historical information, images, and media. Users can access curated tours, learn about historical markers, and view stories related to notable people and events in .
The app features 50 global landmarks, including natural wonders and ancient sites. It provides detailed descriptions, historical background, and visual content for each location, aiding travel planning and geographical knowledge.
The app provides news about Apple products, the company, and related topics. It features push notifications and offline reading for continuous access to content.
The app introduces disease as disorder in body systems and functions, focusing on 100 common diseases. It covers normal function, pathology, signs, symptoms, and treatment rationales, organized by body systems.
Provides daily life guidance based on scientific principles and practical solutions. Offers access to resources and educational content. Links to the official website for further information.
Explore data, visualize insights, and discover new
Explore geographic data and development insights through interactive maps and visualizations. Access public-domain datasets on infrastructure, population, and economic indicators. Filter and analyze data by region, sector, and time frame.
Through interactive card games and level-based challenges. Earn experience points and collect cards as rewards. Track progress with motivational feedback. Access real-life teaching content and scientific learning methods.
The app offers four mini-games to learn state shapes, spellings, flags, and capitals. It includes a study map and state brochures with facts and historical information.
The app provides Hanford Incident notifications, Employee Advisory notifications, Fire Danger information, Red Flag warnings, and Hanford Weather Station information. It also includes a Hanford Employee lookup feature.
The app provides access to open data portals from Russian government entities. It includes contact information, economic indicators, educational institutions, and public service details.
Access concise historical and political information about wars, leaders, and ideologies. Explore detailed summaries of revolutions and economic events. Organize into collections for easy reference and quick learning.
Perform complex calculations with memory, power, square root, logarithmic, and factorial functions. Access over 30 trigonometric functions and advanced scientific operations. Convert between decimal, binary, hexadecimal, and octal systems.
The app provides children with a driving simulation experience featuring 10 steering wheels and road tracks. It includes HD illustrations, sound effects, and interactive elements for an engaging playtime.
The app presents the top 2000 boy and girl names, including pronunciation, origin, and original meaning. A premium version offers historical name data from past decades.