As the current political administration actively seeks to otherize non-white people, Netflix’s Black Stories collection resonates more powerfully than ever. Celebrating Black cinema is easy with ...

Black poop can be harmless, caused by certain foods or medications, or it can be a sign of melena, meaning there’s blood in your stool. Melena happens when bleeding occurs in the upper digestive tract ...

Black discharge is common before or after your period and right after giving birth. Black discharge usually means that blood has taken longer to leave the uterus. When this happens, the blood oxidizes ...

Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China ...