In 1916, a Polish scientist discovered how to create a mono-crystal, which later became the basis for integrated circuits and semiconductors.

Three albums and a string of hit singles have propelled her to the ranks of global pop divas. After a three-year hiatus, the 33-year-old Catalan artist returns with 'Lux,' a musical fresco in praise ...

Your pup is one smart cookie, but is it among the most intelligent dog breeds? Find out with our science-backed ranking.