Tree ring dating method
Everything from the fibres in the Shroud of Turin to Otzi the Iceman has had their birthday determined the carbon-14 way. There's plenty of hydrogen, oxygen and nitrogen in living things too, but carbon's got something none of them do — a radioactive isotope that can take thousands of years to decay.
(You can read up on radioactivity and isotopes here).
Facebook and Twitter can present a girl with dating possibilities far outside her social circle.
So nearly 20 years after leaving America, I find myself, aged 38, with a good job in publishing, but still single following a series of unsuccessful, long-term relationships — and facing a completely different dating game to the one I’d played as a teenager.
I assume as they’re ‘out there’ on the internet circuit, they’re casting their net widely, too.
‘Either the chemistry’s there or it’s not,’ she says.
If you’d rather stay at home in your pyjamas and wait for Mr Right, let me assure you it is perfectly possible to go on a two-hour date and be home in front of the TV by 10pm.‘What’s the point in wasting a whole evening with someone when it turns out his idea of humour is saying “Simples” in a meerkat voice for three hours?” ‘Once your friends see you’re putting yourself out there, making a real effort to find someone, they start thinking of ways to help, and it snowballs. When I met Matt, I was so relaxed about the dating process that the pressure was off.’My multi-dating colleague Jen met her boyfriend when she was out with another man.She writes in her online article about the method: 'Even with all of the modern conveniences we have at our disposal these days, there are just some things in life that no app in the world can make less annoying. 'You may have simply accepted this guaranteed source of frustration as part of life, but did you know that there's a way to bypass all of the stuffing, pulling, tugging and adjusting that comes along with it?Radiocarbon dating is used to work out the age of things that died up to 50,000 years ago. As far as working out the age of long-dead things goes, carbon has got a few things going for it. The proteins, carbohydrates and fats that make up much of our tissues are all based on carbon.