The well runs deep
Trivia questions and answers, drawn fresh from the well
239,757 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
239,757
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
In what year was the first clinical CT scan of a human brain performed?
Answer
1971
What was the first approved immune-checkpoint inhibitor cancer drug?
Answer
Ipilimumab
Who built the first whole-body MRI scanner used on a human?
Answer
Raymond Damadian
Which antibiotic was the first proven effective treatment for tuberculosis?
Answer
Streptomycin
Who developed the first successful heart-lung machine used in open-heart surgery?
Answer
John Gibbon
0 / 5
Round complete
239,757 trivia questions
Every question has an answer
1,818 public topics
Something for every quiz
Free to explore
Reveal answers at your own pace
Fresh from the well
Latest trivia questions
What was the first approved immune-checkpoint inhibitor cancer drug?
Answer
Ipilimumab
Who built the first whole-body MRI scanner used on a human?
Answer
Raymond Damadian
Which antibiotic was the first proven effective treatment for tuberculosis?
Answer
Streptomycin
Which compound causes the characteristic rotten-egg smell?
Answer
Hydrogen sulfide
Which compound is commonly called milk of magnesia?
Answer
Magnesium hydroxide
Which chemical compound is commonly called vitamin C?
Answer
Ascorbic acid