Which element has the highest electronegativity on the Pauling scale? Answer with the element name only, in English.
Who discovered penicillin in 1928? Answer with the surname only.
Sound travels faster in water than in air. Answer true or false.
Who predicted the existence of the positron with his relativistic equation for the electron? Answer with the surname only.
Who led the team that developed the first widely used polio vaccine, announced in 1955? Answer with the surname only.
At standard atmospheric pressure, what is the boiling point of water in degrees Fahrenheit? Answer with the whole number only.
What is the name of the galaxy that contains the Solar System? Answer with the two-word name only.
What is the softest mineral on the Mohs scale? Answer with the mineral name only, in lowercase.
In what year did James Watson and Francis Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
Who was the first human in space? Answer with the surname only.
How many moons of Jupiter did Galileo discover in 1610? Answer with the whole number only.
Which organelle is known as the powerhouse of the cell? Answer with the organelle name only, singular, in lowercase.
Who first synthesised urea from inorganic materials in 1828? Answer with the surname only, in plain letters without diacritics.
In what year was the top quark discovered at Fermilab? Answer with the four-digit year only.
In which city is the European Central Bank headquartered? Answer with the city name only.
Amazon's 1997 initial public offering took place on the New York Stock Exchange. Answer true or false.
What is the Ford Motor Company's NYSE ticker symbol? Answer with the ticker symbol only.