QUESTION: Generate a question with a factual answer?

ANS: What type of animal is most commonly used to study brain damage?

QUESTION: Generate a question with a factual answer?

ANS: What did radical adaptations seem to have required?

QUESTION: Generate a question with a factual answer?

ANS: What causes diarrhea?

QUESTION: Generate a question with a factual answer?

ANS:
Who discovered the incompleteness theorem of 1931?