Few predators swallow their prey whole. Even fewer can digest their meals with bones and all. But for some reptiles like the ...

Explains the process of digestion, detailing how food is transformed into simpler substances that can be absorbed into the ...

The fact that da Vinci was using this shape in a drawing sketched in 1490 drawing reveals his genius understanding of the human body centuries before modern science came along, Dr Sweeney argues.