World's hottest day was 100 years ago in Death Valley. 100 years ago today -- in the barren moonscape of Death Valley, Calif. -- a thermometer reached a scorching 134 degrees F, which is the hottest temperature ever recorded on the planet.
The female pinworms lay eggs in the folds of skin around the anus. The presence of these eggs often causes itching and irritation. When a person scratches the affected area, the pinworm eggs are transferred to the fingers. The eggs can survive for several hours on your hands.
The worms mature in the intestine and then move through the digestive system to lay eggs in the anal area. Adult worms, which are white and look like small pieces of thread, live for up to six weeks. Pinworms do not always cause symptoms.