Which group of mammals has the more 'primitive' reproductive strategy -- marsupials, with their short gestation periods, or humans and other placental mammals, which have long gestation periods? For ...

Life expectancy across 117 mammals was increased by hormonal contraception and surgical sterilization in new study.

An international research team, including scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig, ...

A new article in Ecological and Evolutionary Physiology examines how the immune system and reproduction interact in female mammals, especially during pregnancy, from mating to birth. Lauren E.

v. 1. Germ cells and fertilization.--v. 2. Embryonic and fetal development.--v. 3. Hormones in reproduction.--v. 4. Reproductive patterns.--v. 5. Artificial control ...

It discusses the miracle of reproduction in nature, emphasizing that all life begins from tiny eggs. It illustrates the reproductive processes of plants, fish, birds, and mammals, detailing how pollen ...

Reproduction is central to survival, but it may come at a hidden cost. In a new study, which drew on zoo records from more than 110 animals around the world, researchers found that blocking ...