The epic quest to redefine the second using the world's best clocks / Clocks go forward - but should daylight savings be scrapped? / Less sleep: the clocks go forward on Saturday night / Why do clocks go forward - and could daylight saving time be scrapped? / Everyone knows the clocks go forward but you have a high IQ if you spot the timer in the brainteaser in less than 5secs / Don't forget! This is when the clocks will go forward at the weekend / 'It's nice': Meet the Canadians tasked with changing country's famous clocks / The clocks have turned back. How will you use the extra hour? / When do the clocks go back and does it save energy? Experts say the difference is negligible / Why the clocks have gone back and this landmark is still wrong