Extreme Survival Story

June 23, 2005 -- -- How did an 11-year-old survive in the wilderness of Utah with no food and perhaps no water for four days?

During a news conference, Cub Scout Brennan Hawkins showed how he pulled his sweatshirt over his knees to combat temperatures that fell to about 50 degrees overnight. When he was found, he immediately ate fruit and every granola bar rescuers carried.

People in desperate situations often don't have food and water, but experts say most people can survive three days without water and about three weeks without food.

The most important thing is to stay warm, stay hydrated and stay calm.

Here are some other people who survived extreme situations: