Skyscrapers are buildings so tall, they look like they reach the sky. But these days, just building a tall building does not attract the most visitors. Fancy observation areas and rides are some attractions being added by builders. Do you know where the top ten tallest buildings are in the world?
In the United States college professors have three major responsibilities: teaching, research and service work. Teaching and research are often valued more than service when a professor wants to get a better or higher-paying job. A new study suggests female professors do more service work than males