Most sharks are Ecthoterms, cold-blooded fish. The Megalodon was a massive shark that went extinct 3.6 million years ago, and like some shark species, it was not a cold-blooded fish, it could keep its blood temperature about 7 degrees warmer than its surrounding water.
Photo by: https://commons.wikimedia.org/wiki/File:Carcharodon_megalodon_size_compasison_with_man.png
Human parents change their voice to “baby language” when speaking to their child, apparently dolphins are using this method too. Female dolphins from the species
Standford University got a 1.1 billion dollar donation from successful entrepreneur, John Doerr, to build a new faculty that will focus on climate change and
2,500 dead seals were found on the Russian shore of the Caspian sea. The Caspian seal is an endangered species since 2008. There are no
