Healthy Living/WellnessViagra active ingredient may impair vision: Study Australian researchers have found that sildenafil, the active ingredient of anti-impotence drug Viagra, may cause vision impairment in men. The side-effect affects men who carry a common mutation for eye disease.by Christian Bautista
TechFirst iPhone 6 owner in Perth, Australia, drops the handset on live TV: Crowd reaction was pricelessby Vamien McKalin
ScienceAmazing video of Papua New Guinea Mount Tavurvur volcanic eruption: Majestic BOOMby James Maynard
ScienceJellyfish sting looks more painful in this slow-motion video using microscopic lensby Lori Sandoval