Ebola vaccine trial begins
A trial of an experimental vaccine against the Ebola virus is to begin in Oxford.
The first of 60 healthy volunteers will be injected with the vaccine.
It contains only a small portion of genetic material from the virus, so it cannot cause the disease.
Normally it would take years of human trials before a completely new vaccine was approved for use.
But such is the urgency of the Ebola outbreak in west Africa that this experimental vaccine is being fast tracked at an astonishing rate.
Why do 17,000 under-fives die daily?
Boy has ears created from ribs
A boy who was born without ears has had a pair created from his ribs.
Nine-year-old Kieran Sorkin had the surgery at London's Great Ormond Street Hospital.
Analysis: Assisted dying debate
There is a profound gulf between those who see assisted dying as a fundamental human right for the terminally ill and those who fear that right could easily turn into a duty for the disabled and vulnerable.
It was the case of the late Tony Nicklinson, who had locked-in syndrome and wanted doctors to help him die, which proved a powerful talisman for the pro-lobby.
Tanni Grey-Thompson: Assisted dying 'a dangerous path'
Paralympic multi-gold medallist Baroness Tanni Grey-Thompson, has spoken out against the legalisation of assisted dying.
She warned that a bill proposed by former Labour Lord Chancellor Lord Falconer does not have "adequate safeguards".
Stephen Hawking: Why I support Assisted Dying
Cambridge scientist Stephen Hawking is backing the Assisted Dying Bill which is being debated by peers on Friday.
The 72-year-old cosmologist said it was "discrimination against the disabled to deny them the right to kill themselves that able bodied people have."
Antibiotic resistance: Cameron warns of medical 'dark ages'
The world could soon be "cast back into the dark ages of medicine" unless action is taken to tackle the growing threat of resistance to antibiotics, Prime Minister David Cameron has said.
He has announced a review into why so few anti-microbial drugs have been introduced in recent years.
How can I cut down on sugar?
Let me confess. I love sugar.
I don't have it in tea or coffee, but I'm partial to biscuits, cakes, sweets and fruit juice, which are packed with the stuff.