Dr Alejandro Hernández Cárdenas has developed a new technique to help identify corpses.
BBC News
Rehydrating the bodies
Trading tool
The earliest known script was a tool developed to help run the economy.
Fiendishly complex
World Land Speed record holder Andy Green examines how the extremes of speed and acceleration will affect the airflow around the Bloodhound supersonic car.
Quack science
The biological trick that allows a female mandarin duck to become a male.
'Monster' rocket 'selfie' delights India
Onboard footage from the Indian space agency's 640-tonne rocket has been widely shared on Twitter.
Big move
The permanent reoccupation of the UK's Halley station depends on how an ice crack develops.
Cold revolution
Initially invented for the printing industry, the technology has transformed the way we live and work.
Not green enough
Only three countries have not signed up to the Paris agreement - but for very different reasons.
Poison pill
A Canadian doctor says one short letter managed to convince doctors that opioids were safe.
Beaver return 'benefits environment'
A researcher says re-introducing beavers in England would help water supplies and prevent floods.
Sky-high wi-fi
ViaSat-2 enters the record books as the most powerful commercial broadband spacecraft ever launched.
Roadkill rescue
One of the world's worst hotspots for roadkill in Canada is helped by a project that cuts animal deaths by almost 90%.
Herd knowledge
As a warming climate threatens traditional food supplies in the Arctic, one rural Alaskan village is flying in hundreds of reindeer by cargo plane. James Cook went to find out why.
The DNA detective
A man abandoned as a baby 61 years ago traced his family using a DNA detective. But what do they do?
Reproductive rebels
Contraception wasn’t just socially groundbreaking - it also changed the professional landscape.