Every day, more than 45,000 commercial flights operate in U.S. airspace. It’s one of the largest, busiest and most complex aviation systems in the world, and we are increasing demands and adding ...

The contest, run by Duck brand, a duct and packing tape company, is open to students ages 14 and up in the United States and Canada. This year marks the 25th Stuck at Prom contest, where high ...

IN THE calculation of the temperatures attained by underground cable systems installed in duct banks, it has been customary to base such calculations upon a set of experimentally determined thermal ...

The discovery of malignant cells in pleural fluid and/or parietal pleura signifies disseminated or advanced disease and a reduced life expectancy in patients with cancer.1 Median survival following ...

A salivary gland infection is also called sialadenitis and is caused by bacteria or viruses. A salivary stone or other blockage of the salivary gland duct can contribute to an acute infection. Chronic ...