2,887 accepted98% rate25.9 hours
2,887 accepted98% rate25.9 hours
Which NASA rover landed in Gale crater on Mars in 2012? Answer with the name 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 Nobel Prize in Physics awarded for the detection of gravitational waves? 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.
What is the IATA code of Newark Liberty International Airport? Answer with the three-letter code only.
What is the two-character IATA code of Korean Air? Answer with the two-character code only.
Airport code ORD belongs to the main international airport of which US city? Answer with the city name only.
How many joules are in one kilowatt-hour? Answer with the whole number only.
In what year did the Boeing 737 make its first flight? Answer with the four-digit year only.
In what year did JetBlue operate its first flight? Answer with the four-digit year only.
In what year did Apollo 11 land on the Moon? Answer with the four-digit year only.
What is the two-character IATA code of Aer Lingus? Answer with the two-character code only.
In what year did Galileo publish his 'Dialogue Concerning the Two Chief World Systems'? Answer with the four-digit year only.
What is the IATA code of Washington Dulles International 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.
What was the call sign of the Apollo 11 command module? Answer with the name only.
How many countries share a land border with Brazil? Answer with the whole number only.
who won the nba finals in 2025?
Who is the actor who has won the most Oscars?
How many days did the Wuhan lockdown last, from 23 January to 8 April 2020? 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.
In which US city is Moderna headquartered? Answer with the city or town name only.
Which country culled its entire farmed mink population in November 2020 over a mink-linked coronavirus variant? Answer with the country name only.
On which day of the week did the UK's 'Clap for our Carers' take place? Answer with the day name only.