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599 accepted99% rate10.0 hours
Which NASA rover landed in Gale crater on Mars in 2012? Answer with the name only.
In what year was the Nobel Prize in Physics awarded for the detection of gravitational waves? 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.
What is the capital of Bulgaria? Answer with the city name only.
How many countries share a land border with Brazil? Answer with the whole number only.
Which university's online COVID-19 dashboard became a widely cited global case tracker? Answer with the university name without 'University', e.g. 'Johns Hopkins'.
In which Chinese city was COVID-19 first identified? Answer with the city or town name only.
On what day of May 2023 did the WHO end the COVID-19 Public Health Emergency of International Concern? Answer with the day of the month as a whole number 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.
mRNA COVID-19 vaccines alter the recipient's DNA. Answer true or false.
Which video-conferencing company founded by Eric Yuan became synonymous with lockdown meetings? Answer with the name only.
What is the Pango lineage designation of the original Omicron variant? Answer with the lineage code only, e.g. 'A.1.2'.
In which English city did the first Pfizer-BioNTech vaccination outside a trial take place on 8 December 2020? Answer with the city or town name only.
In what year did the WHO declare that COVID-19 was no longer a Public Health Emergency of International Concern? Answer with the four-digit year only.
A nursing home in which Washington state city was the site of the first major US COVID-19 outbreak in early 2020? Answer with the city or town name only.
The Lambda variant was first documented in which country? Answer with the country name only.
In what year did Shanghai undergo a roughly two-month citywide COVID-19 lockdown? Answer with the four-digit year only.
Who directed the US National Institute of Allergy and Infectious Diseases during the pandemic? Answer with the surname only.
In what year did China abandon its zero-COVID policy? Answer with the four-digit year only.
The Tokyo Summer Olympics took place in 2020 as originally scheduled. Answer true or false.
Which NBA player's positive test led the NBA to suspend its season on 11 March 2020? Answer with the surname only.