The gendered patterns of our lives can be so familiar that we no longer notice them, as this anecdote reported by legal scholar Deborah Rhode slyly makes plain: One mother who insisted on supplying her daughter with tools rather than dolls finally gave up when she discovered the child undressing a hammer and singing it to sleep. ‘It must be hormonal,’ was the mother’s explanation. At least until someone asked who had been putting her daughter to bed.

