Before you watch the video clip, predict the answers to the following questions, then watch the video to check if you were correct.
1. Which traditional boys' and girls' toys do you think the scientists presented to the monkeys?
2. How do you imagine monkeys investigate objects?
3. Do you think that the sex of the monkeys will have any relevance on the type of toys they prefer?
Practise your listening and speaking skills with a native English teacher.