Scientists add new letters to bacteria's genetic 'alphabet'
Wednesday, May 7, 2014 - 15:00
in Biology & Nature
For possibly billions of years, the DNA blueprints for life on Earth have been written with just four genetic "letters" -- A, T, G and C. On Wednesday, scientists announced that that they added two more. In a paper published in the journal Nature, bio-engineers at Scripps Research Institute...