A team of physicists from the University of Amsterdam's Institute of Physics has 3D-printed a Christmas tree made entirely of ice. Researchers Menno Demmenie, Stefan Kooij and Daniel Bonn used no ...

The items were taken in the late 19th century from what was then called the Dutch East Indies. Indonesia had been trying to get them back for decades. By Nina Siegal On the High Line Plinth next ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

Abstract: Angiography imaging is a medical imaging technique that enhances the visibility of blood vessels within the body by using contrast agents. Angiographic images can effectively assist in the ...

December 16, 2025 • Barbara Rose Johns was 16 when she led a walkout at her high school, credited with helping end school segregation. Her statue replaces Robert E. Lee's, which was removed in 2020.

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