Arctic Adaptations. Polar bears live in one of the planet's coldest environments and depend on a thick coat of insulated fur, which covers a warming layer of fat. Fur even grows on the bottom of their paws, which protects against cold surfaces and provides a good grip on ice. The bear's stark white coat provides camouflage in surrounding snow and ice. But under their fur, polar bears have black skinâthe better to soak in the sun's warming rays. Hunting.
Rationality is one of the two ways a person can overcome their own personal fear of death. The starting point for most rationalists, particularly scientists, is to assume in the absence of data from the afterlife that our consciousness is extinguished at the moment of death.
Although the fear of nuclear war spread among a large population leaves anxiety, a sense of helplessness, and a lack of confidence in future in the younger generation, the fear has played a positive role in reducing the large-scale war on the world in the last 50 years.