In these 6 animals, it’s actually the male that gives birth to a young one!
Male pregnancy evolved in these species to increase reproductive success. By shifting gestation to males, females can produce ...
Business Insider4 年
How giving birth in space would be different
And ultimately, how will giving birth in space be different ... including salamanders, fish, and rats, but not humans. Over 60 women have traveled to space, yet none were pregnant during the ...