Salt, referred to as table salt or by its chemical formula NaCl (sodium chloride), is an ionic compound made up of sodium and ...

Dhaka, Jan. 22 -- The Siwa Salt Lakes in Egypt's Siwa Oasis are known for their striking turquoise water and for a rare experience: in many of the pools, it is extremely difficult to sink. Unlike some ...

For centuries, San Francisco's Bay Area has been a center for salt extraction, causing striking, unnatural colors to form. These caught the eye of local photographer Barbara Boissevain, whose new book ...