In an era of increasing gender fluidity, it is worth asking whether gender differences in psychology had been overstated in the past. One way of assessing this is in terms of gender differences of ...

Living organisms have been colonizing the planet for nearly four billion years. They’ve taken on countless forms through assorted evolutionary and adaptive mechanisms to survive in environments where ...

The evolution of sex, gender, mating strategies, and social relationships are hot topics in the study of nonhuman and human behavior. 1 People from many different disciplines are weighing on these and ...

If you've ever had a spiny leaf insect as a pet, or you're considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

While humans have a clear biological system, many animals have an interesting capability that comes with the flexibility of their gender. Some species change their sex during their lifetime, while ...

This week, Nature is launching a collection of opinion articles on sex and gender in research. Further articles will be published in the coming months. The series will highlight the necessity and ...

3D scan of a talus bone with the labeled measurements that can be used to determine the sex of sheep using AI-based algorithms. The new study could make it much easier for researchers to determine the ...