DNA is fundamental to the biology of all life on Earth, but how many of us actually know what it is or what it's made of?

1 In their 1953 publication on the DNA double helix, Watson and Crick stated: "It is probably impossible to form this structure with ribose, instead of deoxyribose." The reason: The 2' hydroxyl on ...

So there has been considerable debate among paleobiologists about megalodon's size, body shape, and swimming speed, among other characteristics. While some researchers have compared megalodon to a ...

What kind of exercise can make us - or keep us fit? Find out more on In Good Shape, the health show on DW. Informative and entertaining, In Good Shape reports on the most interesting developments ...

Four qualities that elevate this paper from good to great in style are: its structure, captivity, soulfulness, and precision. Structured Outline, Paragraphs, and Sentences Structurally ...