The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they ...

A crucial contribution. Rosalind Franklin made a crucial contribution to the discovery of the double helix structure of DNA, but some would say she got a raw deal. Biographer Brenda Maddox called ...

Located in the city's Wenjiang district, the Lujiatan Wetland Park Commercial Service Center also features a double-helix ...