• Print your own body parts

    For people who are missing limbs, 3D printing can make new prosthetics – faster, cheaper and better. It could transform mobility for millions around the world, reports Ian Birrell.

  • Kangaroo care – why keeping baby close is better for everyone

    A shortage of incubators and a hunch about marsupials inspired a Colombian doctor to try something radical to save premature babies’ lives: constant skin-to-skin contact with parents. It’s cheaper than high-tech neonatal care – and it may be better, too. Lena Corner reports.