Close up showing the leftward spiral of a narwhal tusk. A study from 2014, showed that the surface of the tusk is actually covered in open pores leading to a central pulp core full of thousands of ...
If you ever want a chance to see a 82-inch narwhal tusk up close, look no further than Worcester, Massachusetts. Worcester’s EcoTarium, a science and nature museum, has received a donation of a ...