Carbolic soap Carbolic soap Carbolic soap is a mildly antiseptic soap containing carbolic acid and/or cresylic acid, both of which are phenols derived from either coal tar or petroleum sources. In 1834, German chemist Friedlieb Ferdinand Runge discovered a phenol, now known as carbolic acid, which he derived in an impure form from coal tar. In August 1865, Dr. Joseph Lister, 1st Baron Lister applied a piece of lint dipped in carbolic acid solution onto the wound of an eleven-year-old boy at Glasgow Royal Infirmary, who had sustained a compound fracture after a cart wheel had passed over his leg. After four
Name-letter effect that they knew their own name-letters were there. The letters first learned by a child, commonly their own name, may come to have lasting positive associations. Hoorens and Todorova tested this by looking for a name-letter effect in bilingual subjects where their mother tongue alphabet was Cyrillic and their foreign-language alphabet Roman. Because learning a foreign language at a later age does not typically involve extra attention given to name letters, there should be no name-letter effect in the foreign-language alphabet, only in the first-language alphabet. Results of a study with 100 Bulgarian subjects who at a later age learned