DNA is fundamental to the biology of all life on Earth, but how many of us actually know what it is or what it's made of?

All of the information needed to build and maintain an organism — whether it's a human, a dog, or a bacterial cell — is contained in its DNA. DNA molecules are composed of four nucleotides ...

How can just four nitrogenous bases--adenine, cytosine, guanine, and uracil--possibly code for all 20 amino acids ... or were there "commas" (spare nucleotides) between codons that served as ...

The model, called Evo 2, was trained on the DNA of more than 100,000 species across evolutionary relationships between all ...