Research Archives

Explore peer-reviewed studies on embryology, gametogenesis, ART technologies, and reproductive endocrinology

Research Articles

The Secret of the Hen's Egg: Sperm Storage Tubules and Prolonged Fertility

Explore the fascinating biology behind hen fertility and the remarkable sperm storage tubules that enable weeks of fertile egg production after a single mating.

Isabella Reed
Oct 27, 2025

The Egg Identity Crisis: How Chaos in the Cuckoo Nursery Defies Tradition

Discover how guira cuckoos challenge traditional ornithology with their chaotic communal nesting system and the scientific breakthroughs that revealed the truth about egg maternity.

Naomi Price
Aug 08, 2025

Popular Articles