A video of the transformation of a single cell into a salamander

Link: https://pmdvod.nationalgeographic.com/NG_Video/772/995/1442844739770_1550184269599_1442865731523_mp4_video_1024x576_1632000_primary_audio_eng_3.mp4

Discussion: https://news.ycombinator.com/item?id=37275401