Dorothy Vaughan Mary Jackson Katherine Johnson

BBC Health

• Conjoined twins: Sisters meet surgeons who separated them
  Ritaj and Rital were born joined at the head. They're reunited with the doctors who saved their lives.
• 'We need to know more on surgery for war-zone children'
  A new medical guide aims to improve the chances of saving children's lives, and limbs, in war zones.
• Trieste’s mental health revolution: 'It’s the best place to get sick'
  Ideas from a mental health 'revolution' in Trieste in the 1970s are helping patients recover today.