Wednesday is World Food Day, an occasion food activists like to use to call attention to world hunger. With 842 million chronically undernourished people on Earth, it's a problem that hasn't gone away.
The government shutdown is over for now, and federal employees are going back to work. But the 16-day lapse in federal funding has already hurt many areas of science. Now that Congress has finally gotten
Air pollution has been listed as a leading cause of lung cancer by a World Health Organisation team tasked with identifying environmental carcinogens. Fresh air polluted by exhaust fumes and industrial