Dhananjay Singh

A brief overview of inventions, their impact on human history, and the process of patenting. Mentions Abraham Lincoln's lecture on discoveries and inventions.

Captain Marco finds a treasure map and embarks on an adventure to find the treasure. He succeeds and shares the money with the village.

The story explores the myth of Lemuria, a lost continent in the Indian Ocean, and its supposed inhabitants, the Lemurians.

The story provides information about countries and deserts, including their definitions, characteristics, and facts.

This book provides information about Earth's oceans, their importance, and the different types of seas. It also mentions the Caspian Sea as the world's largest lake.

An informative book about galaxies, their types, origins, and the solar system. It covers topics such as black holes, galactic clusters, and galaxy mergers.