Historical records show that in warmer-than-average years, the number of conflicts rises. The researchers predict that by 2030, Africa could see a greater than 50 percent increase in civil wars.  

Bede was the "teacher of the whole Middle Ages" – and one Stanford scholar has devoted a lifetime to his achievements.

The Inca artisans of the 1570s tried to recreate the pots their predecessors had made before the Spanish Conquest. Now Stanford's Archaeology Center retraces their steps and in doing so, rediscovers a vanished world.