The human body has different parts that help us do things like walk ... You have a head and a neck. You have arms, elbows, hands and fingers. You have a chest and a tummy. You have legs, knees ...

The Bible's lex talionis – "Eye for eye, tooth for tooth, hand for hand, foot for foot" (Exodus 21:24-27) – has captured the human imagination for millennia.

Our hands perform thousands of complex tasks every day – can artificial intelligence help robots match these extraordinary human appendages?

It's important to note that spot reduction from one body part is really not possible ... most extensive range of motion in ...