Chocolate: Origins of delicacy pushed back in time
The delights of chocolate were first discovered in the Amazon rainforest about 5,000 years ago.
Author Archives: BBC News - Science & Environment
Brecon project gives water vole a fighting chance
A Powys captive breeding project aims to give water voles a fighting chance of a revival.
Climate change is ‘escalator to extinction’ for mountain birds
New study shows that rising temperatures drive the disappearance of mountain-top bird species in Peru.