Despite the popular myth, it's impossible to seriously injure somebody by dropping penny from an airplane or a tall building. The penny is not very aerodynamic and it doesn't have enough mass to cause damage (only about 3 grams). The worst it could do is cause a sting on the victim's head.
Contrary to popular belief, we have more than five senses. We are able to feel heat from a distance, sense where our body parts are and maintain equilibrium when standing, we can sense when we are itchy, tense, and hungry.
The International Space Station travels 253 miles (408km) above the earth at 17,100 (27,519km/h) miles per hour and completes a full circle of the earth every 90 minutes. Astronauts on board get to see a sunrise and sunset 16 times each day.