In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn morning in the Southern Hemisphere (false dawn). In early autumn, the timing ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This tan paper model is a dissection ...

Abstract: Advanced applications of the finite-element method use hybrid meshes of differently shaped elements that need transition cells between quadrilateral- and triangular-faced elements. The ...

Commentary: The U.S. Department of Agriculture has been tinkering with dietary guidance since 1894, when chemist W.O. Atwater issued advice on what to eat.