What's that you say? All the men are doing pure math and all the women are doing applied math? What a fun puzzle for cluster feature selection! Do you think they were trying to get us to see the pattern? That's a math problem you know.
Thanks to Tullia Dymarz for her response photo:
This one's another puzzle! These ladies are all studying different aspects of what field? Turn your computer upside down to find out!
ʎɹoǝɥʇ dnoɹƃ ɔᴉʇoʇdɯʎsɐ :ɹǝʍsuɐ