A new study finds microplastics in nearly every organ of stranded sea turtles, including their reproductive systems.

Why must they? What cells and specialized organs make such crypsis possible for one of the older evolutionary groups of animals? Chromatophores are organs that are present in the skin of many ...

Brain Receives electrical impulses from sense organs, processes them and transmits electrical impulses to glands and muscles to make appropriate responses Heart Pumps blood to the body tissues and ...

Dr Colleen Farmer talks to Simon Watt about the croc heart on Radio 4's Hybrid. Hearts have adapted to do some truly amazing things. There are animals that can use tricks to repair their own ...

Small animals can have many skin diseases ... to detect tumour lesions. Diseases of the internal organs, such as the liver, pancreas and kidneys, require the collection of blood and urine samples as ...

The controversy stems from the daunting immunological barrier to transplanting organs between disparate species and from the possibility that an animal organ or tissue might transmit an infectious ...