Denisovan arm bone in China; oldest drug use; intact funeral platform at Chan Chan; cave art reveals earliest known humans in Ireland
First discovery of an arm bone in China from the mysterious Denisovans [Alternate Link]
25,000-year-old betel nut traces indicate oldest habitual use of drugs [Alternate Link]
Researchers discover elite pre-Colombian Peruvian funeral platform
Irish cave art indicates migrants from Wales arrived much earlier than expected