They found that improvement was fastest when the patterns of activity closely resembled those produced during normal walking.

ECONOMIST: Neurology

It has made me angry that a perfectly normal everyday activity which I used to do by the thousand was abused to set off such madness.

CNN: Newspapers reprint Prophet Mohammed cartoon

Institute Director Renato Solidum said the explosion early Tuesday was "steam-driven" and is considered "normal" activity for a volatile volcano like Mount Mayon.

WSJ: Philippines Volcano Spews Ash, Kills 5

After hours of jangled nerves, officials signaled it was safe to move throughout the area and people settled back to normal, if watchful, activity.

NPR: Miss. Man Accused Of Sending Letters With Ricin

That was followed by the Dalton Minimum from 1790 to 1830, another period of well below normal sunspot activity.

FORBES: To The Horror Of Global Warming Alarmists, Global Cooling Is Here