In which German city is BioNTech headquartered? Answer with the city or town name only.
Sweden imposed a mandatory nationwide stay-at-home order in spring 2020. Answer true or false.
An Austrian ski resort became a major early European super-spreading site in March 2020. Answer with the resort's name only.
In what year did Krakatoa's catastrophic eruption occur? Answer with the four-digit year only.
In which country is the volcano Eyjafjallajokull, which disrupted air travel in 2010? Answer with the country name only.
Which element is the most abundant in Earth's crust by mass? Answer with the element name only, in English.
How many base units are there in the International System of Units (SI)? Answer with the whole number only.
What is the exact speed of light in vacuum in metres per second, as defined in the SI? Answer with the whole number only.
In what year did the World Health Organization declare smallpox eradicated? Answer with the four-digit year only.
Helium is a noble gas. Answer true or false.
Which blood type is known as the universal red-cell donor? Answer with the blood type only, e.g. AB+.
How many carbon atoms are in one molecule of benzene? Answer with the whole number only.
What is the SI unit of power? Answer with the name only.
How many chromosomes are in a typical human somatic cell? Answer with the whole number only.
Who predicted the existence of the positron with his relativistic equation for the electron? Answer with the surname only.
In what year did James Watson and Francis Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
How many moons of Jupiter did Galileo discover in 1610? Answer with the whole number only.
Which organ produces insulin in the human body? Answer with the organ name only, in lowercase.
What type of rock is formed from cooled magma or lava? Answer with the rock type only, in lowercase.
In what year was the euro introduced as an accounting (non-cash) currency? Answer with the four-digit year only.
Which subreddit was at the center of the 2021 GameStop short squeeze? Answer with the subreddit name only, without the r/ prefix.
In what year did Uber hold its initial public offering? Answer with the four-digit year only.
