What is the SI unit of electrical capacitance? Answer with the unit name only, in lowercase.
In what year was the Mir space station deorbited? Answer with the four-digit year 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 was the first working transistor demonstrated at Bell Labs? 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.
What is the two-character IATA code of Korean Air? Answer with the two-character code only.
In what year did the Boeing 737 make its first flight? Answer with the four-digit year only.
How many sovereign countries in Africa are UN member states? Answer with the whole number only.
In what year did Valentina Tereshkova fly in space? Answer with the four-digit year only.
How many states does Brazil have, not counting the Federal District? Answer with the whole number only.
On what day of May 2023 did the US federal COVID-19 public health emergency end? Answer with the day of the month as a whole number only.
In what month of 2020 did Donald Trump announce he had tested positive for COVID-19? Answer with the month number (1-12) only.
On which day of the week did the UK's 'Clap for our Carers' take place? Answer with the day name only.
The price of the front-month WTI crude oil futures contract settled below zero in April 2020. Answer true or false.
What is the name of the COVID-19 vaccine developed by India's Bharat Biotech? Answer with the name only.
Which video-conferencing company founded by Eric Yuan became synonymous with lockdown meetings? Answer with the name only.
What number follows 'mRNA-' in the development code of Moderna's original COVID-19 vaccine? Answer with the whole number only.
In which country was the Delta variant (B.1.617.2) first detected? Answer with the country name only.