Could it be a (slightly belated) Valentines PR stunt for Tinder? Possibly, particularly as the researcher in question asked not to be named... but regardless, it's an impressive story. And actually quite unsurprising.
The prominence of social networking is something that is unavoidable in this day and age - the fact it does not seem implausible that a Tinder match could happen in Antarctica is a striking reminder of this. All you need is an internet connection, and a world of possibilities is at your fingertips.
At first, no profiles showed up. But when he expanded the app's location radius, he found someone: another researcher, working at a deep field camp a 45-minute helicopter ride away from the base station. He swiped right, indicating his interest, and a few minutes later, they matched.