From the exterior, the narwhal’s unicorn-like tusk is a striking curiosity. On the inside, this extended protruding tooth includes an full lifetime historical past of the maritime mammal’s migration and foods, from its very first breath to its past. Peeling back each of these progress levels, scientists have now […]
Narwhals
What’s a Narwhal’s Tusk For?
Deep beneath the frozen area of the Arctic swims a sea unicorn. In reality, it is a whale with a spiral tusk sprouting from its head—the narwhal. Biologists have lengthy debated the intent of male narwhals’ tusks. The tusk, like all those of elephants, are basically elongated enamel. And since […]