Around the world, 91 million people are on dating websites and apps. Finding "the one" among them may seem daunting - but some tips based on scientific research might help, writes Dr Xand van Tulleken. Some people enjoy being single but, perhaps because I'm an identical twin, for me it's purgatory. Nonetheless I found myself single having - wrongly I suspect - prioritised work and travel for too long.
Radiocarbon dating: radioactive carbon decays to nitrogen with a half-life of years. In dead material, the decayed 14C is not replaced and its concentration in the object decreases slowly. To obtain a truly absolute chronology, corrections must be made, provided by measurements on samples of know age.
One in 10 American adults is registered with an online dating service. The number of people looking to find love online has never been greater, but the wealth of options also means that singles can spend months combing through hundreds of profiles without ever securing a successful date. So Dr. Chaudhry asked Dr.