WASHINGTON, Feb 13 (Reuters) - The Federal Aviation Administration said on Friday that all U.S. airlines must certify they are conducting merit-based hiring for pilots or face a federal investigation.

Four-legged robots that scramble up stairs, stride over rubble, and stream inspection data — no preorder, no lab coat required.

A concerted effort to speed up development of bio-based packaging materials could soon make single-use plastics a thing of the past. Synthetic materials remain major contributors to global pollution ...

The opioid crisis in the United States has come about because of excessive use of these drugs for both legal and illicit purposes and unprecedented levels of consequent opioid use disorder (OUD). More ...