xplores the various methods of animal reproduction, highlighting the dependency of young animals on their parents, particularly in mammals, birds, and amphibians. It explains both asexual reproduction ...

Cryoprotectants needed to preserve eggs for reproduction need to be given in stages, albeit rapid ones, say scientists who have developed a mathematical model that predicts optimal time for loading ...

The vast majority of animals need to breed to reproduce. But a small subset of animals can have offspring without mating. The process, called parthenogenesis, allows creatures from honey bees to ...

Ladies, hold onto your hats. Scientists in Australia published a paper on Tuesday about a female shark that performed a “virgin birth.” Although she hadn’t been around a male shark in three years, the ...

The protein RGS2 can delay an egg’s development into an embryo in order to allow time for sperm to arrive and merge with the egg in a healthy fertilization process. The embryo cannot survive without ...

This archival footage from the 1930s offers an in-depth exploration of plant and aquatic life cycles, focusing on the processes of reproduction and growth at a microscopic level. The film begins with ...