In swaddled embrace,
Snake embryos twist with force—
Guts grow, bodies coil.
Snake embryos twist with force—
Guts grow, bodies coil.
Snake embryos begin life curled into a distinctive right-handed spiral, and scientists may finally know why. Their bodies grow faster than their guts, creating a tether that forces the lengthening embryo to buckle and twist inside the egg. Researchers reached the conclusion after studying more…