The belief that ancient humans were predominantly meat-eaters ... He also said it is theoretically possible that hunter-gathers such as the Andeans were meat-based to start with and the ...

To determine whether the ancient Andeans (Paleo-mongoloids) migrated with this HTLV-1 haplotype, Cartier et al. (page 1428, this issue) analyzed DNA isolated from bone marrow of mummies excavated ...

The HTLV-I of contemporary Andeans from northern Chile belongs to ... handling one sample per day to prevent any cross-contamination between ancient and modern DNA in the laboratory procedures.