Take the 2021 Climate Crisis Mega Quiz! What’s a “red tide”? What’s the hottest month ever recorded on earth? And how many koalas are still out there? (21 questions)
21 Carefully picked science and tech questions from our daily and weekly news quizzes in 2021. Are AirTags dangerous? What is the Ingenuity helicopter? And which COVID-19 vaccine got the FDA’s full approval?
2020 Science Quiz: New revelations on the moon, on Mars, and in medicine. Still, our favorite question of the year is, Where does the vanilla flavor come from?