TechnologyColour-changing wrap could let you know when food has spoiled A biodegradable plastic-like wrap made from silk changes colour when exposed to rotting foods and degrades quickly in soil News
LifeWas DNA pioneer Rosalind Franklin really a victim of scientific theft? It is widely thought that Rosalind Franklin was a victim whose work on DNA was stolen, but a letter and unpublished magazine story add to the evidence that this view is misleading Analysis