Explanation

• Mossad is the national intelligence and secret agency of Israel.
• It is officially known as the Institute for Intelligence and Special Operations.
• Mossad was established on 13 December 1949.
• It plays a key role in intelligence gathering and covert operations.
• Its headquarters is located in Tel Aviv, Israel.

Last verified on 03-06-2026

Explanation

• Author: Stephen Hawking
• Book Title: A Brief History of Time
• Main Topic: Universe (origin, structure, evolution, and fate)
• First Published: 1988
• Publisher: Bantam Dell Publishing Group
• Copies Sold: ~10 million
• Languages: 40 languages

Last verified on 01-06-2026

Explanation

• Albert Einstein was born in Germany, on March 14, 1879.
• He died on 18 April 1955 (aged 76) in the U.S.
• He is one of the most influential physicists of the 20th century.
• In 1905, he published four landmark papers in physics.

Last verified on 01-06-2026

Explanation

• The Islamic Revolution in Iran took place in 1979.
• It overthrew the rule of Shah Mohammad Reza Pahlavi.
• The revolution was led by Ruhollah Khomeini.
• It is also called the Iranian Revolution of 1979.

Additional information:

• Shah Mohammad Reza Pahlavi left Iran on 16 January 1979.
• Ayatollah Khomeini returned to Iran on 1 February 1979.
• The monarchy officially ended on 11 February 1979.
• Iran became an Islamic Republic after a referendum on 1 April 1979.

Last verified on 17-05-2026

Explanation

• The snow line is also known as the snow level or snow boundary.
• It refers to the elevation or altitude above which snow remains on the ground for a significant part of the year, often perpetually.
• It marks the boundary between the area where snow melts completely during the summer and the area where snow remains year-round.

Last verified on 17-05-2026

Explanation

• The Nobel Prize was first awarded in 1901
• Inaugurated on December 10, 1901
• Awarded in Stockholm, Sweden.
• Inventor of dynamite, Alfred Nobel

Additional information

Since 1901, the Nobel Prize has been awarded in the fields of

1. Physics
2. Chemistry
3.  Physiology/Medicine
4.  Literature
5.  Peace
6.  Economics.

Last updated question by NA on 07 May 2026

Explanation

• The main tributary, the Congo River has a total length of 4,370 km.
• It is the only major river to cross the equator twice.
• It is the Second longest river in Africa.

Last verified on 16-05-2026

Explanation

• Paradise Lost was written by John Milton.
• It is an epic poem about Adam and Eve’s fall from Paradise.
• It was first published in 1667 in 10 books.
• The revised edition came in 1674 with 12 books.

Last verified on 16-05-2026

Explanation

The International Finance Corporation (IFC)

• Headquarters: Washington, D.C.
• Country: United States of America
• Established: 1956
• Parent organization: World Bank Group
• Main role: Promoting private sector investment in developing countries

Last verified on 10-05-2026

Explanation

• The Bosphorus Strait is a narrow natural waterway in Turkey.
• It connects the Black Sea with the Sea of Marmara.
• It is the forming part of the boundary between Europe and Asia.
• Strategically important for international shipping and naval routes.

Additional information:

• Length: ~30 km
• Width: 700 m – 3.7 km
• Maximum depth: ~110 m
• Number of bridges across: 3
• Number of tunnels (undersea): 2

Last verified on 12-03-2026