All life is made up of four DNA building blocks known by the letters A, T, C and G. Now scientists have created two additional artificial DNA "letters" and used them to make a semi-synthetic strain of bacteria. The altered…
LAURAN NEERGAARD Associated Press, Herald & Review
Wed, 11/29/2017 - 7:00pm
All life is made up of four DNA building blocks known by the letters A, T, C and G. Now scientists have created two additional artificial DNA "letters" and used them to make a semi-synthetic strain of bacteria. The altered…