It is a common scenario: when we get lost in the wilderness, we wind up walking in circles. Much to our dismay, at some point we’ll revisit our tracks and feel despair that we’ll never make it out of this loop and back to civilization. The German research scientist, Jan Souman’s empirical data confirms that humans have a tendency to not only walk lopsided but to self-navigate within a loop when lost. Favoring Loops in Poor Visibility In the study, participants were instructed to walk straight from two different starting […]
Monthly Archives: January 2011
3 posts
Food is a mixture of nutrients that produce energy for the body, stimulate growth, and maintain life. The six classes of nutrients: Carbohydrates Protein Fats Vitamins Minerals Water Of these six nutrients, only the first 3 provide calories in the form of energy for the body: carbohydrates, protein, and fat. 1 gram of carbohydrate = 4 calories 1 gram of protein = 4 calories 1 gram of fat = 9 calories Backpacking in mountainous terrain can burn 4,000 to 5,000 calories per day. If fat makes up more than the […]
Do you save unused condiment packets from fast-food restaurants? These packets can be handy when traveling or if you run out of something at home. Common single-serve packets include ketchup, mustard, mayonnaise, soy sauce, hot sauce, parmesan cheese, salad dressing, sugar, salt, pepper, and plastic jelly cups. How long can you keep single-serve packets? If you examine the condiment, most do not have an expiration date. Packets are shipped by the thousand in bulk, and the recommended “Expiration Date” or “Best By” date (established by the manufacturer) is often only […]