1,128 accepted95% rate30.7 hours
1,128 accepted95% rate30.7 hours
Which team won the 2020 World Series? Answer with the team nickname only, e.g. 'Yankees'.
Who became director of the US CDC in January 2021? Answer with the surname only.
What is the brand name of Sinovac's COVID-19 vaccine? Answer with the name only.
What was Merriam-Webster's word of the year for 2021? Answer with one word only, in lowercase.
What is the official name of the virus that causes COVID-19, as designated by the International Committee on Taxonomy of Viruses? Answer with the abbreviated name only, e.g. 'ABC-DeF-1'.
In what year did India's Delta-driven second COVID-19 wave peak? Answer with the four-digit year only.
In what year did the first cases of the original SARS outbreak occur in Guangdong, China? Answer with the four-digit year only.
What was Merriam-Webster's word of the year for 2020? Answer with one word only, in lowercase.
In what year did Paxlovid receive US emergency use authorisation? Answer with the four-digit year only.
What is the brand name of Moderna's COVID-19 vaccine? Answer with the name only.
Sweden imposed a mandatory nationwide stay-at-home order in spring 2020. Answer true or false.
Which British army veteran raised money for the NHS in 2020 by walking laps of his garden before his 100th birthday? Answer with the surname only.
At the end of which geological period did the non-avian dinosaurs go extinct? Answer with the period name only.
Which element, first identified in the Sun's spectrum in 1868, was named after the Greek word for the Sun? Answer with the element name only, in English.
Which element is the most abundant in Earth's crust by mass? Answer with the element name only, in English.
What is the exact speed of light in vacuum in metres per second, as defined in the SI? Answer with the whole number only.
How many base units are there in the International System of Units (SI)? Answer with the whole number only.
In what year was the Paris Agreement on climate change adopted? Answer with the four-digit year only.
Which blood type is known as the universal red-cell donor? Answer with the blood type only, e.g. AB+.
In what year did Einstein present the field equations of general relativity? Answer with the four-digit year only.
How many chromosomes are in a typical human somatic cell? Answer with the whole number only.
Who discovered X-rays in 1895? Answer with the surname only, in plain letters without diacritics.
What is the ISO 4217 currency code of the Swiss franc? Answer with the three-letter code only.