Oh boy, all girls again: Research tracks sea turtle sex ratios

Forty young sea turtles recently reached an important milestone at Florida Atlantic University: They were finally big enough to leave the university's marine science laboratory and return to the ocean. Their release was a reason to celebrate. But for FAU researchers who have spent years studying loggerhead, leatherback and green sea turtle hatchlings, there is a growing concern about what the next generation of sea turtles may look like: They're almost all girls.