The Super Bowl LIX between Kansas City Chiefs and Philadelphia Eagles will spotlight AI in advertisements, with the cost for a 30-second slot exceedin ...
Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living today are severely threatened by overfishing and the loss of their habitat.
They focused on the Jurassic (200-143 million years ago) and Cretaceous (143-66 million years ago) periods, a time when these species thrived in diverse environments. The evolution of sharks and rays ...
Molecular evolution is the area of evolutionary biology that studies evolutionary change at the level of the DNA sequence. It includes the study of rates of sequence change, relative importance of ...