Fold the right corner upward, just past the edge of the bill. On the left side, pinch the edges upwards to start shaping the ...

Turtle shells are unique adaptations, not least because the shoulder blade sits inside the ribcage unlike all other vertebrates. Now, a new study of developing turtle embryos suggests how these ...

It is only later that the turtle does something different, starting of a sequence of muscular origami that distorts its body design into the adult version. Initially, the embryos of all three species ...