Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles ...

The 1850 discovery of King Ashurbanipal's vast library of cuneiform tablets at Nineveh illuminated fascinating records and ...

Jan. 21, 2026 A major global study suggests that a hidden mismatch between two common blood tests could quietly signal serious trouble ahead. When results from creatinine and cystatin C—two markers ...