Dna

Plaster casts made of victims' bodies appeared to show a mother holding a child and women embracing - but new research has revealed not all is what it seems.

Ancient DNA has shed light on the possible reason for high multiple sclerosis and Alzheimer's disease rates in Europe.

Until now the only mention of Rosalind Franklin - whose X-ray photo revealed the structure of DNA - was a scrawled hand-written note at the bottom of a plaque.