Mystery solved! We finally understand the origin of the colours in the first colour photographs

Usain Bolt's 200m record has not been beaten for ten years and Florence Griffith Joyner's for more than thirty years.

Energy-dense food, obesity and compulsive food intake bordering addiction: the scientific literature has been pointing to connections between these for years.

As average temperatures rise every year, it is no longer rare to see plants flower as early as February.

Until now, archaeozoologists have been unable to reconstruct the earliest stages of domestication: the process of placing wild animals in captivity remained beyond their methodological reach 1 .