What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
In what year did Arthur Eddington's solar eclipse expedition measure the bending of starlight? Answer with the four-digit year only.
In what year did Max Planck present his quantum hypothesis for black-body radiation? Answer with the four-digit year only.
How many sovereign countries in Africa are UN member states? Answer with the whole number only.
What is the IATA code of Tokyo Haneda Airport? Answer with the three-letter code only.
In what year did Chang'e 4 make the first soft landing on the far side of the Moon? Answer with the four-digit year only.
In what year was Richard Feynman awarded the Nobel Prize in Physics? Answer with the four-digit year only.
Who discovered Pluto? Answer with the surname only.
In which Chinese city was COVID-19 first identified? Answer with the city or town name only.
What is the three-letter abbreviation of the US Paycheck Protection Program? Answer with the name only.
The price of the front-month WTI crude oil futures contract settled below zero in April 2020. Answer true or false.
From what minimum age was the Moderna vaccine first authorised in the US in December 2020? Answer with the whole number only.
Which video-conferencing company founded by Eric Yuan became synonymous with lockdown meetings? Answer with the name only.
Which university developed the vaccine licensed to AstraZeneca? Answer with the university's city name only.
Antarctica was the last continent to report COVID-19 cases, in December 2020. Answer true or false.
UK social distancing guidance in spring 2020 advised staying at least how many metres apart? Answer with the whole number only.
In what year did Shanghai undergo a roughly two-month citywide COVID-19 lockdown? Answer with the four-digit year only.
Who is BioNTech's co-founder and chief executive, husband of Ozlem Tureci? Answer with the surname only, in plain letters without diacritics.