It sounds almost too good to be true, but researchers think that shining red light at patients could be a powerful and drug-free way to treat everything from sight loss and type 2 diabetes to ...

A main road in West Sussex will be closed for more than six weeks so traditional traffic signal halogen light bulbs can be replaced with energy-efficient alternatives. Work on installing LEDs in ...

There is a baffling array of different aftermarket bulbs to choose from today, with prices ranging from a few quid to more than £35. So here we consider whether it’s best to go for the latest, ...