Sharks
The Megalodon was less mega than previously believed
Gigantic shark was slimmer than depictions in movies.
Megalodon extinction may have been aided by great white sharks
Using zinc isotopes, scientists investigated the diet of the megalodon, the largest shark to have ever lived.
Megalodon shark grew to larger sizes due to cooler environments
It seems that Bergmann's rule applied to Otodus megalodon.
Shark intestines function like Nikola Tesla’s valve
It's time to use modern technology to look at these really amazing spiral intestines of sharks.