The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

The mystery of the Moai stone heads has eluded onlookers for centuries — and now, researchers say they finally know how they got there. The statues, which were carved and placed on the South Pacific's ...

Jason Gomke remembers the “way it used to be” in Brunswick Square, when McDonald’s anchored a first-floor food court that was always full of high school students and Starbucks was a mainstay on the ...

Abstract: The increasing penetration of distributed energy resources (DERs) in power systems has aroused interest in distributed economic dispatch (DED). While quadratic cost functions are usually ...

Abstract: This brief investigates the stability problem of recurrent neural networks (RNNs) with time-varying delay. First, by introducing some flexibility factors, a flexible negative-determination ...

United Parcel Service, Inc. is a package delivery company, which engages in the provision of global supply chain management solutions. It operates through the following segments: U.S. Domestic Package ...

The Great Barrier Reef is a site of remarkable variety and beauty on the north-east coast of Australia. It contains the world’s largest collection of coral reefs, with 400 types of coral, 1,500 ...