Dorothy Vaughan Mary Jackson Katherine Johnson

BBC Health

• Vitiligo: Skin condition bought Kenyan friends closer together
  Kenyan friends Julie Asuju and Wangui Njee talk about their experiences of living with Vitiligo.
• Tilly Lockey: 'I can paint with my bionic arms'
  Tilly Lockey, 13, has bionic arms that are so sophisticated she can now use a paintbrush and apply make-up.
• Super gonorrhoea: Why your STI could become untreatable
  The challenges facing health workers in the fight against the STI.