தமிழ் மக்கள் : அவர்களின் வீட்டுக்கு தமிழ் சித்திரங்களை

??????? ????? ????????? ???? ???? ???? ?????????? ??? . ???????????????? ???????????? ????? ??????????? , ???? ?????????! ?????????: ???, ??????, ???????????? ??????? ?????????? ???????/?????????/?????? ???????????? ??????????. ???, ??????, ???????????? ????????. ????????/???????/??????? ???? ?????????? ????? ?????? ?????????????????/?????????/

read more

A Geologist's Guide to Marble, Dolomite, and Granite

For the aspiring geologist, identifying popular rocks can be a daunting task. Three formations often confuse even seasoned veterans: marble, dolomite, and granite. These sedimentary rocks possess unique traits that set them apart. Marble, created from the conversion of limestone, exhibits a smooth texture and often displays striking color varieties

read more