Chemical tests on chalk from two Jetyasar graves in Kazakhstan point to Silk Road makeup scented with cinnamon, wormwood, and mint oils.

At the tip of a ballpoint pen, there is a small ball that rolls over the paper. It is a part that must not lose its shape ...

An aircraft component can be built on a computer screen within hours, but turning that digital design into a high-performance composite structure takes months. The challenge often begins with the ...