Topic Details (Notes format)

Who discovered the positron?

Who discovered interferon?

Which element has the chemical symbol "Fm"?

Which is the world’s tallest grass, often used for construction in Asia?

Which African kingdom built the Great Zimbabwe ruins between the 11th and 15th centuries?

What do caterpillars transform into?

Which day is celebrated as International Women’s Day?

Which animal is the tallest bird in the world?

Who proposed the theory of evolution by natural selection?

What is the phenomenon called when water vapor changes directly from gas to solid, forming frost?