1) Hindu mythology, deeply rooted in Indian culture, revolves around a pantheon of gods and goddesses, including Brahma, Vishnu, Shiva, Saraswati, and Lakshmi. These deities represent various aspects of existence and play important roles in Hindu religious traditions and epics like the Mahabharata and Ramayana.

2) Bats are the only mammals capable of sustained flight.

3) The universe is estimated to be around 13.8 billion years old.

4) The first modern health insurance policy was introduced in Germany in the late 19th century.