Cataracts explained
A cataract is a clouding of the normally clear lens of the eye. Cataracts are treated by removing the cloudy lens of the eye with surgery. Sun protection and quitting smoking may help prevent cataracts. Cataracts are common in older people. A ... [... more]
Better Health |
Robert Wolke
What makes ice cubes cloudy? How do shark attacks make airplanes safer? Can a person traveling in a car at the speed of sound still hear the radio? Moreover, would they want to...? Do you often find yourself pondering life's little conundrums? ... [... more]
Random House |
Bushfires and water tanks
Bushfire ash, smoke and debris can contaminate water tanks. Dead animals and fire retardant can also contaminate drinking water in water tanks. If the water tastes or smells unusual, is cloudy or discoloured, or contains particles, you should ... [... more]
Better Health |
