A phenomenon first observed by an ancient Greek philosopher 2,300 years ago has become the basis for a new device designed to harvest the enormous amounts of energy wasted as heat each year to produce electricity.
Anchorage, AK – Building a terrestrial planet requires raw materials that weren't available in the early history of the universe.
The common ancestor of all jawed vertebrates on Earth resembled a shark, according to a new analysis of the braincase of a 290-million-year-old fossil fish that has long puzzled paleontologists.
According to a new Pew Research Center survey conducted outside of the United States on people in 21 different countries, attitudes about the United States are generally more positive than in 2008 before Obama came into office.