Male animals may infect female partners with STDs to gain reproductive advantage Some male animals may evolve weak immune responses to transmit diseases.

I describe how this self-sexual reproduction occurs in many animals, including some insects, molluscs, fish, amphibians and reptiles, but not mammals.

His research is in the development of assisted reproduction (IVF, ICSI, etc.), gamete preservation (Freeze-drying, cryopreservation) and artificial reproduction in endangered animals.

Several animals exhibit remarkable gender flexibility, adapting to environmental challenges and social dynamics. Clownfish ...

Discover why some chameleons hatch from eggs while others are born alive and how their habitats shape this survival strategy.

For the first time, scientists have used genetic engineering to trigger ‘virgin birth’ in female animals that normally need a male partner to reproduce. Previously, scientists have generated ...

As a great queen once sang in 2011, “women run the world.” This is true even in the animal kingdom, where females often lead the group. From insects to apex predators, female-led species are ...

“The grandmother hypothesis is that somehow aged, but non-reproductive animals are positively affecting the reproduction of their own children and grandchildren,” explains Clark.