National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Some of Queen Elizabeth’s never-before-seen childhood letters and drawings are going to auction after being discovered in a suitcase under the bed. The doodles, which were made when she was still a 10 ...

Conventional ethylene production via steam cracking generates massive carbon emissions—about one ton of CO₂ per ton of ethylene—creating a major climate burden. Researchers developed a highly ...

Ellipses and cylinders are foundational to drawing forms in perspective. This short shares a practical method to improve accuracy, consistency, and confidence when drawing rounded forms—making complex ...

Bacteriophages have been used therapeutically to treat infectious bacterial diseases for over a century. As antibiotic-resistant infections increasingly threaten public health, interest in ...

Post-Doctoral Scholar in Marine Ecology, Cornell University; UMass Dartmouth Through his role at Cornell University, Daniele Visioni receives funding from the Quadrature Climate Foundation and the ...

Abstract: The automatic assembly of shield tunnel segments can significantly reduce labor intensity and improve tunneling efficiency. However, during the automatic segment gripping process, ...

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Pierre-Auguste Renoir was one of the leaders of the Impressionist school of painting, established in 1874 by a group of French artists, whose loose brushwork and brightly colored paints created a ...

Abstract: This paper presents a novel positioning method based on ultra-low-frequency magnetic field-based positioning systems (ULF-MPSs) in non-line-of-sight (NLOS) environments. The system for easy ...