As people grow older, some mental abilities become slower. Working memory can weaken. Processing speed can decline. Attention may require m...

In 1932, Australia faced an unusual agricultural crisis in Western Australia. Thousands of emus had moved into wheat-growing districts. The...

In the summer of 1518, people in Strasbourg began dancing uncontrollably. Some reportedly continued for days, while others joined the strang...

Introduction In 897, a dead pope was dressed in papal robes, placed on a throne, and subjected to a church trial. The bizarre proceeding be...