With a shiny snout and pink, veiny face, an image shared on X on Oct. 15, 2023, claimed to show a dog embryo after seven days of gestation. At the time of this publication, the post had received more ...

A reverse-image search of the photo using Google Lens (archived here) revealed that the image has been in circulation since at least 2019. Despite the absolutely boopable snoot, Snopes determined this ...

The noses of many mammals, such as dogs, ferrets and cows, feature grooves forming a multitude of polygons. A team from the University of Geneva (UNIGE) has analyzed in detail how these patterns form ...

By tracking the fate of individual embryonic stem cells, researchers have found that endoderm cells—early embryonic cells ...

Researchers reveal that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development. CRCHUM researcher Sophie ...