gorillas
Tracing the genetic histories of ghost apes
The footprints of extinct lineages are the closest we have to a fossil record of the African apes.
Ancient amputations tell remarkable stories of survival and care
A 33,000-year-old case of an amputated leg prompts comparisons to earlier Neandertal instances of amputation.
HIV susceptibility locus protects against an extinct virus
The TRIM5α protein in humans doesn't resist HIV very well but may have once protected us from another ape virus.