482 accepted98% rate19.0 hours
482 accepted98% rate19.0 hours
Novak Djokovic was deported from Australia over his COVID-19 vaccination status before the Australian Open of what year? Answer with the four-digit year only.
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.
The SARS-CoV-2 reference genome (Wuhan-Hu-1) is about how many kilobases long, rounded to the nearest whole kilobase? Answer with the whole number only.
In the name of the PCR test, what does the 'P' stand for? Answer with one word only, in lowercase.
Who was Prime Minister of New Zealand during its 2020 elimination strategy? Answer with the surname only.
Which NIH scientist was a lead designer of the Moderna vaccine's spike antigen? Answer with the surname only.
Who was the chief scientific adviser of Operation Warp Speed? Answer with the surname only.
In what year was 'On the Origin of Species' first published? Answer with the four-digit year only.
What is the common name of the compound with the formula NaCl? Answer with the two-word common name only, in lowercase.
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.
Which is the most active volcano in Hawaii, which erupted almost continuously from 1983 to 2018? Answer with the name only, in plain letters without diacritics.
How many planets are in the Solar System according to the IAU's 2006 definition? Answer with the whole number only.
Which gas makes up about 21 percent of Earth's atmosphere by volume? Answer with the element name only, in English.
Sound travels faster in water than in air. Answer true or false.
Who discovered X-rays in 1895? Answer with the surname only, in plain letters without diacritics.
How many points (levels) does the Mohs hardness scale have? Answer with the whole number only.
In which organelle does photosynthesis take place in plant cells? Answer with the organelle name only, singular, in lowercase.
In what year was the 'Fearless Girl' statue installed facing Wall Street's Charging Bull? Answer with the four-digit year only.
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.
Lehman Brothers received a federal bailout in 2008 and avoided bankruptcy. Answer true or false.