Surviving Winter in the Middle Ages: How did people stay warm? What did they eat? What did they do?
The Venerable Bede used observable proofs and mathematical calculations in his early 8th-century treatise De temporum ratione to teach the astronomical principles that inform the calculation of the date of Easter. This suggests that the seeds of the modern scientific method might be found before the 12th century in the educational practices of the early medieval monasteries.