The unique human body part that evolution cannot explain - The human chin has long been fertile ground for arguments between scientists over its purpose. advertisement. The Independent.

It’s all very well to generate virtual body parts, but the human body functions as a whole. That’s why the grand plan for digital twins involves replicas of entire people.

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion ...

Dolphins, meanwhile, may have the biggest mammalian testicles of all, making up as much as 4 per cent of their body weight (equivalent to human testicles weighing roughly 3 kilos).