Looking for new ways to get students reading and responding to nonfiction? Try these exercises for discussion, writing and speaking. By Peggy Dimock Lead poisoning can cause lower I.Q.s ...

With the school holidays ending today, members of Sydney's Jewish community are feeling concerned amid the recent wave of antisemitism-related incidents across the city.

Salts of polyvalent anions and cations are generally less soluble than salts in which both ions are monovalent or in which one ion is monovalent and its opposite ion is polyvalent. The most ...

Most organic drugs contain one acid group, usually a carboxylic acid, -COOH, or one basic primary, secondary, or tertiary amino group, NC 1-3, [3,22,27,28,29] that determines the acid-base ...