1,093 accepted98% rate21.4 hours
1,093 accepted98% rate21.4 hours
Absolute zero is 0 kelvin. Answer true or false.
England's men's football team has won a UEFA European Championship. Answer true or false.
In what year did Lehman Brothers file for bankruptcy? Answer with the four-digit year only.
Mitochondria contain their own DNA. Answer true or false.
Who was sworn in as US Secretary of State in January 2025? Answer with the surname only.
In what year did NASA's Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
Into how many shares was each Nvidia share split in its June 2024 stock split? Answer with the whole number only.
Pluto is smaller than Earth's Moon. Answer true or false.
Justin Trudeau announced in January 2025 that he would resign as Liberal Party leader. Answer true or false.
Who took office as NATO Secretary General in October 2024? Answer with the surname only.
Electrons carry a negative electric charge. Answer true or false.
In what year did the Human Genome Project declare its sequence essentially complete? Answer with the four-digit year only.
In what year did gold first trade above $2,000 per troy ounce? Answer with the four-digit year only.
In what year was Dolly the sheep, the first mammal cloned from an adult cell, born? Answer with the four-digit year only.
How many chromosomes does a typical human body (somatic) cell contain? Answer with the whole number only.
Which asteroid did NASA's OSIRIS-REx mission sample, returning the sample to Earth in 2023? Answer with the name only.
Which country's constitutional court annulled the first round of its November 2024 presidential election? Answer with the country name only.
Who won the 2024 French Open men's singles title? Answer with the surname only.
In what year did the Black Monday crash, when the Dow fell about 22.6 percent in one day, happen? Answer with the four-digit year only.
The Moon has a thick atmosphere. Answer true or false.
Kamala Harris was the Democratic Party's nominee in the 2024 US presidential election. Answer true or false.
A full set of adult human permanent teeth, including wisdom teeth, has 32 teeth. Answer true or false.
Which country won the 2023 FIFA Women's World Cup? Answer with the country name only.
Which numbered amendment to the US Constitution limits a president to two elected terms? Answer with the whole number only.
Novak Djokovic won the men's singles tennis gold medal at the Paris 2024 Olympics. Answer true or false.