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813 accepted96% rate9.0 hours
In what year did Alexander Fleming discover penicillin?
How many elements were in the periodic table as of 2025?
How many chromosomes does a typical human somatic cell have?
What is the atomic number of uranium?
In what year did Nelson Mandela become President of South Africa?
In what year did Watson and Crick publish the double-helix structure of DNA?
In what year was Bob Dylan awarded the Nobel Prize in Literature?
In what year did Adele release her album 21?
In what year was Nirvana's album Nevermind released?
In what year did the Eurovision Song Contest first take place?
In what year did NASA's Perseverance rover land on Mars?
In what year was the Woodstock music festival held?
In what year did the Meiji Restoration begin in Japan?
In what year did the New Horizons spacecraft fly by Pluto?
In what year was the Battle of Hastings fought?
In what year was MTV launched?
In what year did the Space Shuttle Challenger disaster occur?
How many amino acids are encoded by the standard genetic code?
In what year was the Treaty of Versailles signed?
How many planets are in the Solar System under the International Astronomical Union's 2006 definition?
What is the atomic number of carbon?
How many Grammy Awards had Beyoncé won through the February 2025 ceremony?
In what year was Romulus Augustulus deposed, conventionally dated as the fall of the Western Roman Empire?
In what year was the discovery of the Higgs boson announced at CERN?
In what year did Elvis Presley die?