Winter babies learn to crawl faster than summer newbornsHaifa researchers say clothing layers, daylight affects skill.Newborn baby [Illustrative](photo credit: INIMAGE)
![Newborn baby [Illustrative]](https://images.jpost.com/image/upload/f_auto,fl_lossy/q_auto/c_fill,g_faces:center,h_720,w_1280/253856 "Newborn baby [Illustrative]")