Topic Details (Notes format)

Which is the largest country in South America by area?

Which phenomenon causes day and night on Earth?

Which astronomer wrote the 16th-century work ‘De revolutionibus orbium coelestium’ on heliocentrism?

Who discovered monoclonal antibodies?

Which element has the chemical symbol "Ds"?

Who discovered hematopoietic stem cells?

Who discovered the ABO blood group system?

Who discovered the Nazca Lines?

Who discovered prions?

Which is the largest desert in the world?