518 accepted98% rate21.2 hours
518 accepted98% rate21.2 hours
mRNA COVID-19 vaccines deliver their mRNA inside lipid nanoparticles. Answer true or false.
In what year did the reported US COVID-19 death toll pass 1 million? Answer with the four-digit year only.
In what year did China abandon its zero-COVID policy? Answer with the four-digit year only.
How many doses made up the primary series of the Johnson & Johnson (Janssen) COVID-19 vaccine? Answer with the whole number only.
The D614G mutation that spread worldwide in 2020 is in which SARS-CoV-2 protein? Answer with one word only, in lowercase.
What was the name of the emergency hospital in Wuhan built in about ten days and opened in early February 2020 (the 'Fire God Mountain' hospital)? Answer with the one-word name before 'Hospital' only.
In what year did North Korea first officially acknowledge a COVID-19 outbreak? Answer with the four-digit year only.
What was Merriam-Webster's word of the year for 2021? Answer with one word only, in lowercase.
Queen Elizabeth II sat alone at Prince Philip's funeral in April 2021 because of COVID-19 rules. Answer true or false.
US social distancing guidance advised staying at least how many feet apart? Answer with the whole number only.
In which US state was the first confirmed US case of COVID-19 reported in January 2020? Answer with the state name only.
Which club won the 2019-20 Premier League, completed after a three-month COVID-19 pause? Answer with the club name only.
In which small Lombardy town was Italy's first locally transmitted COVID-19 case identified in February 2020? Answer with the city or town name only.
Earth's outer core is solid. Answer true or false.
Which element is the most abundant in Earth's crust by mass? Answer with the element name only, in English.
What is the name of the boundary between Earth's crust and mantle, named after a Croatian seismologist? Answer with the one-word short name only.
In what year did the New Horizons spacecraft fly past Pluto? Answer with the four-digit year only.
Which scientist developed the binomial system of naming species? Answer with the surname only.
Who discovered electromagnetic induction in 1831? Answer with the surname only.
Who discovered X-rays in 1895? Answer with the surname only, in plain letters without diacritics.
Who was the first human in space? Answer with the surname only.
What one-word term describes a stock market decline of at least 10% but less than 20% from a recent high? Answer with one lowercase word.
What was Twitter's original stylized name, written without vowels? Answer with the name only, in lowercase.
Under what pseudonym was the 2008 Bitcoin white paper published? Answer with the surname only.
In what year was Google founded? Answer with the four-digit year only.