DNA is a biological molecule that contains the instructions an organism needs to function, develop, and reproduce. It is present in all forms of life on earth and contains each organism’s genetic code ...

In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid, and several nitrogen-containing bases. Later it ...

Georgina Ferry is a science writer based in Oxford, UK. A revised edition of her biography Dorothy Crowfoot Hodgkin has just been published by Bloomsbury Reader. Until that time, biologists had still ...