American man first to solo across Antarctica unaided

An Oregon man became the first person to traverse Antarctica alone without any assistance on Wednesday, trekking across the polar continent in an epic 54-day journey that was previously deemed impossible.Colin O'Brady, of Portland, finished the bone-chilling, 930-mile (1,500-kilometer) journey as friends, family and fans tracked the endurance athlete's progress in real time online."I did it!" a tearful O'Brady said on a call to his family gathered in Portland for the holidays, according to his w