In recent years, astronomers have developed techniques to measure the metal content of stars with extreme accuracy. With that capability,…
According to the United Nations, the world produces about 430 million metric tons (267 U.S. tons) of plastic annually, two-thirds…
We are all too aware of the pollution on planet Earth. There are increased amounts of plastic and garbage on…
What if it were possible to just suck all the harmful pollutants out of the air so that they wouldn’t…