The ankle's ability to regenerate cartilage uses the same mechanisms that enable some animals to grow new limbs, and it could be harnessed to repair cartilage in knees and hips hobbled by ...

Nucleotides are the fundamental units that make up the genetic material of all living organisms. They are the building blocks of DNA and RNA, which store and transmit genetic information. Nucleotides ...

To obtain high-quality, purified nucleic acids, scientists can use several different methods, including phenol-chloroform extraction, cesium chloride/ethidium bromide (CsCl/EtBr) gradient ...

This diagram depicts the chemical structure of pyrimidine, a six-membered aromatic ring with two nitrogen atoms at positions 1 and 3 (highlighted in blue). The remaining positions are occupied by ...

As a molecular biologist, I always enjoy reading articles concerning DNA and RNA. Your excellent article in the April 3, 2023, issue of C&EN (page 18) titled “The Promise of Peptide Nucleic Acids” ...

A forested hill and clouds are in the background of an image of a shallow pool of steaming water, with the ground underneath colored in shades of beige, red, and brown. Life may have first emerged in ...

One of the newest weapons that scientists have developed against cancer is a type of engineered immune cell known as CAR-NK (natural killer) cells. Similar to CAR-T cells, these cells can be ...