The first evidence of coins in ancient egypt was made in the form of rings of gold, silver and copper, with specific weights, which were measured and certified. gold coins are found on the paintings from tombs as early as 1430 bc. documents recovered from the times of amenhotep ii show that the values of different items were expressed in terms of pieces of metal of gold, silver, and copper, and were of fixed weight and value. other weighted materials of gold and silver were recovered from the time of ramses iii." these coins and rings were evidence of

Not all members of the radio audience of orson welles' war of the worlds broadcast panicked immediately. indeed, some didn't panic until they looked out of the window and saw empty streets; others didn't panic until they saw streets full of traffic. it was after checking out the situation that these citizens decided that the martians had indeed invaded earth. this example illustrates that contagion can result when people look to others for the interpretation of ambiguous situations . can result when cultural norms reinforce people's most likely responses. occurs primarily because humans are by nature irrational creatures. is especially likely when people are motivated to make independent decisions.