Mara Hvistendahl
Mara Hvistendahl

Mara Hvistendahl is a correspondent with Science and the author of Unnatural Selection: Choosing Boys Over Girls, and the Consequence of a World Full of Men. Follow her on Twitter here.

Future Tense
April 27 2012 7:30 AMWill Gattaca Come True?Noninvasive, early fetal tests for sex, paternity, and chromosomal conditions will change pregnancy dramatically—and raise tricky ethical questions.
Doublex
Jan. 3 2012 5:42 PMCesarean NationThe cautionary tale of how China came to have the world's highest C-section rate.
  Slate Plus
Slate Plus
Aug. 28 2015 12:31 PM What Happened at Slate This Week? International affairs writer Joshua Keating on what to read to understand the apparently permanent slowdown of the Chinese economy.
  Health & Science
Medical Examiner
Sept. 1 2015 12:20 PM Does Contraception Reduce Abortions? The relationship is surprisingly ambiguous—until you look at the best evidence.