The price rise will also bring into sharp focus the argument between the chancellor and shadow chancellor, about whether the government ought to be doing more to stimulate the economy.

BBC: British Gas to announce price rises this month

"The need for a tiny insect eye to gather lots of light and bring images into sharp focus on the receptors may explain the advantage of the eyes that deliver images in chunks instead of points, " says co-researcher Dr Elke Buschbeck.

BBC: 100-eyed bug surprises scientists