This, and similar research I'd seen before seems to point to women being equal or better at STEM than men (and also being better at non-STEM stuff), but actively avoiding it as a low-status role when they have better options. Slightly baffling to see this celebrated by men in these careers as some kind of vindication. The data appears to be saying you (we) suck, but that's a win if you think the data was going to sho…
I'm not sure that was the conclusion of the research:
"But when it comes to their relative strengths, in almost all the countries—all except Romania and Lebanon—boys’ best subject was science, and girls’ was reading. (That is, even if an average girl was as good as an average boy at science, she was still likely to be even better at reading.) Across all countries, 24 percent of girls had science as their best subject, 25 percent of girls’ strength was math, and 51 percent excelled in reading. For boys, the percentages were 38 for science, 42 for math, and 20 for reading."
That being said, you could also read this as boys are so much worse than girls at verbal skills that by default, their best subject was science or math.