The 13th century witnessed a substantial increase in inequality in the distribution of peasant landholdings relative to the distribution of the late 11th century. Innovations in property rights over land in 12th century England induced peasants to include the trading of small parcels of land as...

Until about 13,000 years ago all humans obtained their food through hunting and gathering, but thereafter people in some parts of the world began a transition to agriculture. Recent data strongly implicate climate change as the driving force behind the agricultural transition in southwest Asia....