CBS News: Sea turtles might be facing an unusual problem: too many girls.
Unlike a human baby, whose X and Y chromosomes determine whether it will be born a boy or a girl, a sea turtle's sex is defined during egg incubation periods. Warmer temperatures lead to a higher proportion of females while cooler conditions result in more males.
A new Florida Atlantic University study published by Endangered Species Research finds that conditions such as heavier rains and temperature shifts are impacting loggerhead...