Deep brain stimulation begins by doctors drilling two small holes in the head of the patient.
VOA: special.2009.02.03
Small amounts of the gas will cause a person's head to hurt.
VOA: special.2010.02.02
T.Rex had a big head, long legs and small arms.
VOA: special.2009.10.13
He also picked former Dallas Mayor Ron Kirk to serve as U.S. trade representative and venture capitalist Karen Mills to head the Small Business Administration.