Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the outside. On the inside, things are different.

"This discovery is important to better understand human and mouse gastrulation in the future and the emergence of birth defects in animals," Prakash added. More information: Rieko Asai et al ...

“This discovery is important to better understand human and mice gastrulation in the future and the emergence of birth defects in animals,” Prakash added. Disclaimer: AAAS and EurekAler ...