In what year was Amazon founded?
In what year was Apple Computer founded?
How many amino acids are encoded by the standard genetic code?
How many protons does a helium nucleus have?
What is the atomic number of gold?
In what year did the Great Fire of London occur?
In what year was Microsoft founded?
What is the speed of light in vacuum, in meters per second, as defined exactly by the SI?
In what year did India gain independence from Britain?
How many elements were in the periodic table as of 2025?
In what year did Alexander Fleming discover penicillin?
In what year did Elvis Presley die?
What is the atomic number of uranium?
What is the boiling point of water at standard atmospheric pressure, in degrees Celsius?
In what year was Magna Carta first sealed by King John?
How many chromosomes does a typical human somatic cell have?
In what year did the Suez Crisis occur?
In what year did the Chernobyl nuclear disaster occur?
In what year did World War II end?