Notre Dame Math Club will host the Apex Presents 5th National Math Festival on February 14-15, 2025. This two-day extravaganza will bring together young mathematical minds from across the country, ...

and continues with increasing presence of color to the letter Z, or light yellow or brown. Each letter grade has a clearly defined range of color appearance. Diamonds are color-graded by comparing ...

Understanding the basics of AI is a must-have skill for Australian students and their teachers ...

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...