While public opinion on scientists is generally mixed, most Americans think that science has made our lives better and that we should continue to benefit from it. Seven out of 10 U.S. adults say that science has positively affected our lives, while three percent say that it has negatively affected their lives. Twenty-three percent of … Read more
The Hubble space telescope was put into orbit around Earth in the 1990s. Scientists have been using telescopes for centuries. In the 1600s, Hans Lippershey used scientific knowledge of lenses and light to develop a telescope. Galileo was one of the first scientists to use a telescopic lens to observe the night sky. Today, scientists … Read more
Technology has made our lives easier in many ways. The first vaccine was invented in the late 1700s, and then scientists learned how to make the vaccine. The germ theory of disease was established in the 1800s, and then biologists discovered the first antibiotic. This kind of progress has greatly improved our quality of life, … Read more
One of the greatest achievements of the 20th century is the discovery of bacteria that cause diseases. This breakthrough has led to the development of antibiotics and modern diagnostic equipment. This innovation has improved the lives of millions of people and helped to save millions of others. The next breakthrough was the development of the … Read more