Archaeologists discovered the remains of a Copper Age baby in a well near Faenza, Italy. Despite the poor preservation of the skeleton, advanced techniques allowed scientists to determine the baby's age, health, sex, and maternal lineage, revealing a rare haplogroup uncommon in Copper Age Italy.
A new study suggests that the wheel may have been invented by copper miners in the Carpathian Mountains around 3900 B.C., using techniques from structural mechanics to trace the evolution of the wheel and axle.