The pylons in question have been designed by engineers at TenneT, the firm that runs the Netherlands' national electricity grid, in collaboration with KEMA, a Dutch research company.

ECONOMIST: Monitor

Gerald Draper and his colleagues at the University of Oxford, and John Swanson of National Grid Transco, a power-transmission company, have looked at the distribution of childhood cancer along the power lines of the national electricity grid in England and Wales.

ECONOMIST: Power lines and cancer