There's nothing magical about the number, yet five digits at the end of their limbs is a motif that runs through all the animals with four limbs, called tetrapods. Even when there are fewer than ...

V.T. Sebastian, convener of the Janakiya Vedi, said that geotube sand barriers under water could ... after spending ₹470 crore in building tetrapod wall and a walkway over them along a portion ...