With a global shortage of organs suitable for transplant, some researchers are looking at 3D printing of living tissue as a solution – but to do it they might need to go into orbit.

Research suggests some parts of the body age faster than others to the point that they even outlive their owners. Could understanding this better help us to live longer?

Researchers are claiming that taking supplements of a pigment in food like spinach and eggs could sharpen vision. Douglas Heingartner looks at the evidence.

Max More will have his brain preserved after death. Rose Eveleth asks him why he signed up – and how the gruesome procedure of freezing bodies works.

After eating asparagus, some people can detect a strange smell, while others claim not to notice a thing. What’s going on?

Doctors are controlling scalpel-wielding robots in real operations from afar, finds Rose Eveleth. Is this the future of surgery?

If animal organs could be used to save our lives, will it mean we become a bit less human? Frank Swain speculates

In 25 years time, what issues and fears will we have about our deeper interaction with computers? Scientists offer their most thought-provoking predictions