Despite being around 14,000 years old – exceptionally recent in terms of human evolution – their fossils show they possessed ...
Dental calculus has proven to be the richest known source of ancient DNA in the archaeological record. Much of this genetic material—hundreds of millions of genomes are visible here—comes from ...
The simplicity of the flowers of the Salicaceae is largely due to extreme reduction and not to a retention of archaic features. This is shown by: (a) Proof that these flowers formerly possessed a ...