Topic: David Perkins

All Content

Are we entering an age of major earthquakes?

A study of more than a century of global seismic records has prompted some scientists to say that major earthquakes have tended to occur in clusters. Others disagree.
Opinion: Why you should take the time to master a single skill

By going deep into one subject, we learn how to learn – a priceless ability.
Soldier rampage hints at stress of repeated deployments

Sgt. John Russell was charged with murder Tuesday. He was finishing his third tour in Iraq.
US soldier charged with murders at Iraq combat stress clinic

Commanding officers had determined that the sergeant was a potential danger to himself or others.
Suicide attack in Baghdad targets reconciliation conference, kills 33

The bombing is the third major attack in recent days, prompting fears of a spike in violence.
US forces kill senior Al Qaeda in Iraq leader

Hajji Hammadi, a senior member of Al Qaeda in Iraq, was believed by US military officials to have been responsible for the abduction and murder of US Army Staff Sgt. Matt Maupin in 2004.