Fossil shark teeth are abundant and can date the past in a unique way
The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...
AZ Animals (US) on MSN2d
Discover the World’s Only Shark-Infested Lakes
One could never imagine seeing a shark in a freshwater lake, but it does happen! Some shark species can survive in brackish and freshwater – usually making their way up estuaries and rivers. Watch ...