When we speak of volunteering in sport, we use the language of sacrifice. People 'give up' their 'free time', as if surrendering something precious out of duty.

‡ Centre for Molecular and Structural Biochemistry, School of Chemistry, University of East Anglia, Norwich NR4 7TJ, U.K. § Department of Molecular Microbiology, John Innes Centre, Norwich NR4 7UH, ...

For the three years they were living at home, 25-year-old Phoebe Miller and 23-year-old Owen Nichol saved towards their ...