You can even approximate an elephant’s age by comparing its tusk size to others of its age and species. Chemically, there’s no difference between a tooth and a tusk, but ivory continues to be ...

Their findings suggest that tooth size can serve as a reliable indicator of density-dependent effectson somatic growth. The study compared male sea lion teeth from two distinct periods ...

Their findings suggest that tooth size can serve as a reliable indicator of density-dependent effects on somatic growth. The study compared male sea lion teeth from two distinct periods ...

Only vertebrate animals have real teeth, though some invertebrates have hard tooth-like plates they use to eat ... whether in terms of size, quantity, or just sheer oddity. Here is a look at some of ...

Dwarf elephant tooth (L) next to one of normal size (R). The small tooth was discovered by Dorothea Bate around 1901. We are studying the effect of dramatic environmental changes over the last 800,000 ...

The team used laser ablation to sample material from various growth lines along the elephant's tooth enamel and tusk, which was measured using a mass spectrometer capable of identifying the ...

Dr. Steven Zhang, a palaeontologist at the University of Helsinki, noted, “From the size, the wisdom teeth, and other features of the skull, it is evident this was a majestic bull elephant in ...

These ancient stars are incredibly dense. A teaspoonful of their matter would weigh as much on Earth as an elephant—5.5 tons. White dwarfs typically have a radius just .01 times that of our own ...