Great white sharks grow a whole new kind of tooth for slicing bone as they age
A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the water, each slow, deliberate sweep of the powerful tail driving a body specialized for stealth, speed and efficiency. From above, its dark back blends into the deep blue water, w...
Image: Phys.org
A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the water, each slow, deliberate sweep of the powerful tail driving a body specialized for stealth, speed and efficiency. From above, its dark back blends into the deep blue water, while from below its pale belly disappears into the sunlit surface.
Originally published at Phys.org
