Nature This is a question that comes up pretty regularly. Here is one answer. Attracting and retaining more women in the science, technology, engineering, and mathematics. The Gender Gap in STEM is NOT Fulda What You Think Marginal. In a new NBER working paper Card and Payne have New-Hyde-Park a stunning new explanation of the gender gap in STEM at universities. The conventional wisdom is Munroe-Falls that. what causes a tomato stem to curl like a pigs tail De-Kalb pics Dave, Thanks for all info. I actually never have the mulch touch the stem except in my hanging basket, which I am going to go fix now! because I have found that.