The 24 hour clock always uses 4 digits, and we use this system most often with digital clocks. For any time before 10 o'clock in the morning, a zero is placed at the beginning. The first two ...

Researchers have created the first complete map of the circadian clock in the Drosophila brain, revealing it consists of at ...

The question revolved around the 24 hour clock. The brainteaser was posed by the presenter on the popular show who asked: "On a digital 24-hour clock that displays hours, minutes and seconds ...