Abstract: The time-varying areal extent and duration of surface melt on ice sheets are important parameters for climate and cryosphere research and key indicators of climate change in polar regions.

Stephen G. Sheetz, the former president and CEO of convenience store chain Sheetz, died Sunday, the family-owned company announced. He was 77 years old. Sheetz died from respiratory complications ...

Stephen G. Sheetz, the former president, CEO and board chairman of his family’s Altoona, Pennsylvania-based c-store chain, died Sunday night. He was 77, the company said. Sheetz had a history with the ...

Abstract: The technology discussed in this research study aims to transform text into a variety of visual representations, including mind maps, flowcharts, and summaries. The research underlines the ...