The animal kingdom is full of beauty ... With wacky, striped tendrils and a vibrant body, the blue glaucus is eye-catching. But their blue coloring is a form of sneaky camouflage to protect ...

becomes deoxygenated – when the animal dies, for example – it loses its blue colour and turns clear instead. An octopus’s three hearts have slightly different roles. One heart circulates blood around ...

The blue ring octopus is a small animal with a lethal secret ... to help the patient while their body battles the venom. Although deaths are uncommon, recent incidents, including bites on Balmoral ...