Scientists have discovered a method of helping human stem cells thrive in an animal embryo—a key development in efforts to ...

Chloroplasts, the parts of cells that allow plants and algae to photosynthesize, are thought to have originated more than 1 billion years ago, when photosynthetic cyanobacteria lived symbiotically ...

Polymerase chain reaction (PCR) amplification and deoxyribonucleic acid (DNA) sequence analysis were used to identify the species origin of cell lines used in a cell culture facility where various ...

Here’s an early taste of the laboratory-grown meat that companies are racing to bring to market, and a look at the questions it raises about how we feed ourselves. A bite of chicken breast grown from ...