Mantises were considered to have supernatural powers by early civilizations, including Ancient Greece, Ancient Egypt, and Assyria. A cultural trope popular in cartoons imagines the female mantis as a femme fatale. Mantises are among the insects most commonly kept as pets.
In 1803 his preserved foods (which came to include vegetables, fruit, meat, dairy and fish) were sent out for sea trials with the French navy. By 1804, his factory had begun to experiment with meat packed in tin cans, which he soldered shut and then observed for months for signs of swelling.
food preservation Prevention of the spoilage of food, which is achieved by a variety of techniques. These aim to prevent bacterial and fungal decay and contamination of food, which can cause food poisoning. For example, dehydration removes the water from food, which prevents microorganisms from growing.