For once a non-sensationalist science headline.
They have repeated the experiment consistently over three years, testing "every conceivable" variation.
The initial article didn't get much attention, but then another team looking at something else found this article, did some research, and sees how the findings in the article might help with their own research.
If all this pans out, this could be very interesting! A fifth elemental force, huh? Hmm....