Here’s what you’ll learn when you read this story: Our biological clock, or circadian rhythm, is immensely important to our health, and scientists are now unpacking the process’s secrets at the ...
Daylight saving time ends at 2 a.m. local time Sunday, which means you should set your clock back an hour before you go to ...
Armies started using the 24-hour method of timekeeping as standard military time because, much like police, fire, and medical departments, every branch of the armed services is in continuous operation ...