If the artifact is organic—like wood or bone—researchers can turn to a method called radiocarbon dating. It's a process that dates an object by analyzing the different forms of carbon it contains.

What is the molecular clock? Levels of molecular variation could be used, in principle, to estimate divergence times, serving as evolutionary "clocks" that "tick" at different rates. Subsequent ...

Learn more here. Radiocarbon dating, or carbon-14 dating, is a scientific method that can accurately determine the age of organic materials as old as approximately 60,000 years. First developed in the ...

Radiocarbon dating, also known as carbon-14 dating, is a method to determine the age of organic materials as old as 60,000 years. First developed in the 1940s at the University of Chicago by Willard ...

Growing concerns about a possible nuclear war and other global threats have pushed forward the symbolic Doomsday Clock by 30 seconds - to just two minutes before midnight. The Bulletin of the ...

Alarm clocks were created for the sole purpose of waking you up—and it’s about time we let them do their jobs once again. See how customizable the alarm is and if it suits your wake-up style.

How have clocks and watches intertwined with our sense of time? When did they come to play central roles in our lives? To answer these questions, On Time from the National Museum of American History ...

If you’re looking to break the habit of reaching for your phone first thing in the morning, switching to a physical alarm clock might be the perfect solution. Unlike phone alarms, which are just ...

What if you don't want to start the day with a fright? There's an elegant solution -- sunrise alarm clocks. They can gradually wake your body up in a natural manner, by letting light slowly fill ...

A seasoned small business and technology writer and educator with more than 20 years of experience, Shweta excels in demystifying complex tech tools and concepts for small businesses. Her work has ...

Light impacts the ticking of our internal clock — it tells our brain to be awake, while darkness signals that it’s time to sleep. That’s why screen time before bed can interfere with your sleep.