The Athenian Agora. The Agora of Athens was the center of the ancient city: a large, open square where the citizens could assemble for a wide variety of purposes. On any given day the space might be used as a market, or for an election, a dramatic performance, a religious procession, military drill, or athletic competition.
Bear spray is a non-lethal bear deterrent designed to stop aggressive behavior in bears. Its use can reduce human injuries caused by bears and the number of bears killed by people in self-defense.
The layer of fat insulates the bear from the cold. While in hibernation the fat is slowly converted into energy that maintains life. A physical adaptation used by the Musk Ox is the growth of two layers of fur--one short and the other long.