1,331 accepted98% rate20.7 hours
US social distancing guidance advised staying at least how many feet apart? Answer with the whole number only.
What is the Pango lineage designation of the Alpha variant? Answer with the lineage code only, e.g. 'A.1.2'.
What was Merriam-Webster's word of the year for 2020? Answer with one word only, in lowercase.
In the name of the PCR test, what does the 'P' stand for? Answer with one word only, in lowercase.
In what year did the WHO introduce Greek-letter names for SARS-CoV-2 variants? Answer with the four-digit year only.
Who was Prime Minister of New Zealand during its 2020 elimination strategy? Answer with the surname only.
Do rapid lateral flow COVID-19 tests detect viral antigen or viral RNA? Answer with 'antigen' or 'RNA' only.
The Johnson & Johnson (Janssen) COVID-19 vaccine was an mRNA vaccine. Answer true or false.
What was the name of the global initiative for equitable COVID-19 vaccine access co-led by the WHO, Gavi and CEPI? Answer with the name only, in capital letters.
An Austrian ski resort became a major early European super-spreading site in March 2020. Answer with the resort's name only.
Of which US institute was Anthony Fauci director? Answer with the institute's abbreviation 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.
Who discovered radioactivity in uranium in 1896? Answer with the surname only.
What is the common name of the compound with the formula NaCl? Answer with the two-word common name only, in lowercase.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
Earth's outer core is solid. Answer true or false.
What is the deepest known point in Earth's oceans? Answer with the two-word name only.
What is the chemical symbol of potassium? Answer with the chemical symbol only.
In what year did Sputnik 1, the first artificial satellite, launch? Answer with the four-digit year only.
Which is the largest moon in the Solar System? Answer with the moon's name only.
In what year did the Svalbard Global Seed Vault open? Answer with the four-digit year only.
In which ocean is the Mariana Trench? Answer with the 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.
Helium is a noble gas. Answer true or false.