If you draw with a pencil, you can tell how soft the graphite inside is. Pieces of graphite break off to leave the pencil mark. But can you imagine drawing with a diamond? Diamonds and graphite are ...

Major Funding by the Laura Moore Cunningham Foundation and Idaho National Laboratory. Additional Funding by the Friends of Idaho Public Television and the Corporation for Public Broadcasting. Science ...

Nutritionist Lovneet Batra explains the difference between the types of salt and how you can choose the right one for better health.