DNA study about the age of the first South Americans; rock crystals at Neolithic site in England; effort to rebury skulls of Black Philadelphians; parasites and Medieval monks in England


A new chromosomal study recalibrates the timeline for human arrival in South America (Article Two)

Largest collection of rock crystals in Britain discovered at Neolithic burial site

Reburial efforts for the skeletal remains of Black Philadelphians, long held at Penn Museum, may soon come to a resolution

Study suggests Medieval monks’ savvy agricultural techniques left them stricken with intestinal worms