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 ...

In the earliest hours after fertilization, an embryo takes its first steps toward becoming a living organism by shedding maternal control and activating its own genetic program. This critical process, ...