Optical rotatum” is the term researchers coined to describe a newly discovered structure of light. Beams of light that can be shaped into corkscrew-like forms, known as optical vortices, are used ...

Discover the best spring fruits and vegetables, why in-season produce tastes better, and get tips for enjoying fresh, local ...

All hair textures and face shapes Long hair with a gentle wave works on just about everyone, and it can truly be one of the ...