Little Johnny walked into his classroom with a fried egg on his head.
The teacher asked, "Why do you have a fried egg on your head?"
Little Johnny responded, "Because a hard boiled egg rolls off."
TB laboratoryIn 1893, the first tuberculosis diagnostic community laboratory in the U.S. was authorized in New York City and opened by the New York City Dept. of Health under the direction of Dr. Hermann Michael Biggs. The laboratory administered sputum examinations, reporting and registrations (compulsory by institutions and voluntary by physicians), official supervision of isolation, terminal disinfection, provision of hospital facilities, and public education. The first research laboratory in the U.S. was established the following year, in 1894, by Dr. Edward Livingston Trudeau in a room in his home at Saranac Lake, N.Y. |
