Guest post by Nina Wolff pays tribute to long-standing GSA member Margaret Lieb. Margaret (Peggy) Lieb died on March 8, 2018 in South Pasadena, California...


Sequencing a genome is not as simple as reading a book. All those neatly lined up letters are the final product of a complex process...


In the early 1940s, many biologists doubted bacteria had genes. After all, they seemed to play by their own genetic rules: they appeared to lack chromosomes,...