Northwestern Medicine scientists have discovered how molecular "traffic controllers" in cells influence aging and cellular ...

Structures long blamed for blocking genes actually help them turn on, according to the Cornell Chronicle. Cornell scientists found that nucleosomes — the spools that package DNA — relieve twisting ...

It's a common storytelling trope: the stubborn foe who is eventually revealed to be a much-needed friend. Biology has its own ...

Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases. (Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base ...

The first 100 bases of many genes show excess mutations, revealing a major genomic weak spot that shapes disease risk and highlights hidden patterns of inherited change.