DNA holds the instructions that make us who we are. If we want to read those instructions, say, to understand our ...

The human genome consists of 3 billion base pairs, and when a cell divides, it takes about seven hours to complete making a ...

The familiar Watson-Crick double helix of DNA, called B-DNA, winds in a right-handed direction. But like a screw, the helix can wind the other way: under certain conditions, DNA adopts a left ...

During DNA replication, the classic double helix can temporarily rearrange into an alternative structure known as a DNA three ...

Our DNA, for example, is made of right-handed chiral molecules which combine to form a right-handed double helix. The left-handed version would look like its mirror image, forming a helix that ...