Readers comment on penguin sex, math and more
![Cover of the Nov. 23, 2019 issue of Science News](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/11/112319_cover.jpg?resize=144%2C186&ssl=1)
Math whiz
In “How Julia Robinson helped define the limits of mathematical knowledge” (SN: 11/23/19, p. 22), Evelyn Lamb examined the life and career of mathematician Julia Robinson, who helped redefine the limits of mathematical knowledge.
Readers had a lot to say about the story.
“I found your article inspiring; it was really well written. I particularly liked the graphics, which helped my understanding a lot,” reader Richard Purser wrote. “It has been my (unfortunate) experience that young women are socialized that they are ‘less than’ with regards to math. This story shows that to be a lie.” Reader Luis Villarruel echoed Purser’s comment and requested more profiles of women who contributed to STEM breakthroughs but were not widely acknowledged.