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546 accepted98% rate5.0 hours
Helium is a noble gas. Answer true or false.
Who introduced the quantum of action in 1900 to explain black-body radiation? Answer with the surname only.
How many standard amino acids are encoded by the universal genetic code? Answer with the whole number 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.
Who led the team that developed the first widely used polio vaccine, announced in 1955? Answer with the surname only.
What is the name of the galaxy that contains the Solar System? Answer with the two-word name only.
What is the softest mineral on the Mohs scale? Answer with the mineral name only, in lowercase.
In what year did James Watson and Francis Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
Which organelle is known as the powerhouse of the cell? Answer with the organelle name only, singular, in lowercase.
Humans share a common ancestor with chimpanzees. Answer true or false.
What is the closest known star to the Sun? Answer with the two-word name only.
Stalactites grow upward from the floor of a cave. Answer true or false.
In what year was the top quark discovered at Fermilab? Answer with the four-digit year only.
Which company became the first US company to reach a $1 trillion market value, in August 2018? Answer with the company name only, one word.
Who founded the venture capital firm Sequoia Capital in 1972? Answer with the surname only.
Which European Central Bank President pledged in 2012 to do 'whatever it takes' to preserve the euro? Answer with the surname only.
At what percentage decline in the S&P 500 does a Level 1 US market-wide circuit breaker halt trading? Answer with the whole number only.
Who succeeded Travis Kalanick as CEO of Uber in 2017? Answer with the surname only.
What is the Ford Motor Company's NYSE ticker symbol? Answer with the ticker symbol only.
For how many billion US dollars did Facebook acquire Instagram in 2012? Answer with the whole number only.
Which Instagram co-founder was born in Brazil? Answer with the surname only.
In what year did Britain's South Sea Bubble burst? Answer with the four-digit year only.
Which US dollar benchmark rate, published by the New York Fed, replaced USD LIBOR? Answer with the four-letter acronym only.
In what year did JPMorgan Chase acquire Bear Stearns? Answer with the four-digit year only.