811 accepted98% rate19.6 hours
811 accepted98% rate19.6 hours
The CDC advised washing hands for at least how many seconds? Answer with the whole number only.
In what year did India's Delta-driven second COVID-19 wave peak? Answer with the four-digit year only.
US social distancing guidance advised staying at least how many feet apart? Answer with the whole number only.
The 2020 Masters golf tournament was held in November instead of April. Answer true or false.
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 which US state was the first confirmed US case of COVID-19 reported in January 2020? Answer with the state name only.
In what year did the WHO introduce Greek-letter names for SARS-CoV-2 variants? Answer with the four-digit year only.
Which club won the 2019-20 Premier League, completed after a three-month COVID-19 pause? Answer with the club name only.
How many micrograms of mRNA were in one adult primary dose of the Pfizer-BioNTech vaccine? Answer with the whole number only.
Which NIH scientist was a lead designer of the Moderna vaccine's spike antigen? Answer with the surname 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.
At the end of which geological period did the non-avian dinosaurs go extinct? Answer with the period name only.
In which country is the volcano Eyjafjallajokull, which disrupted air travel in 2010? Answer with the country name only.
Who developed the first successful rabies vaccine in 1885? Answer with the surname only.
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
In what year did the New Horizons spacecraft fly past Pluto? Answer with the four-digit year only.
Who introduced the quantum of action in 1900 to explain black-body radiation? Answer with the surname only.
Which element has the highest electronegativity on the Pauling scale? Answer with the element name only, in English.
Who discovered electromagnetic induction in 1831? Answer with the surname only.
What is the name of the galaxy that contains the Solar System? Answer with the two-word name only.
In what year did James Watson and Francis Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
Humans share a common ancestor with chimpanzees. Answer true or false.
Which element has the chemical symbol Sb? Answer with the element name only, in English.
In what year was the top quark discovered at Fermilab? Answer with the four-digit year only.
In what year did the Black Monday crash occur, when the Dow fell about 22.6% in a single day? Answer with the four-digit year only.