Astronomers uncover collisional signature of filamentary structures in galactic G34 molecular cloud

Using CO (J=1–0) molecular line data obtained from the 13.7-meter millimeter-wave telescope at the Purple Mountain ...

In the Native Fashion World, Dentalium Shells Are Worth More Than Diamonds

By wearing them, we are passing down the importance of value and what it means to be wealthy in our traditional ways.” ...
Gemological Institute of America

How GIA Analyzes Pearls from Start to Finish

GIA is a trusted authority known for its rigorous, objective analysis of both natural and cultured pearls. Learn about how ...

Drip by drip: Research provides first complete mathematical description of stalagmite shapes

Deep inside caves, water dripping from the ceiling creates one of nature's most iconic formations: stalagmites. These pillars ...