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DNA (deoxyribonucleic acid) is the nucleic acid polymer that forms the genetic code for a cell or virus. Most DNA molecules consist of two polymers (double-stranded) of four nucleotides that each ...

a period when the largest desert in the world temporarily turned into a humid savanna-like environment. By analyzing the DNA of two 7,000-year-old ...

“DNA extracted from two pastoralist women who were buried at the rock shelter around 7,000 years ago reveals that most of their ancestry can be traced to a previously unknown ancient North ...

Now, with the help of ancient DNA from mummified remains, geneticists are figuring out who once lived there. The Takarkori rock shelter — situated in southwestern Libya’s Tadrart Acacus ...