Word: tracts
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...their voice boxes removed in surgery and have never mastered the difficult art of speaking with the gullet. Contoured to fit the hand and powered by tiny batteries, the artificial larynx is pressed against the flesh of the throat, transmits vibrations into the lower end of the vocal tract. These vibrations can be converted into voiced sounds of speech in a normal manner-by use of the tongue, teeth and lips. But because no flow of air is required, the user can speak with the electronic larynx while exhaling, inhaling or holding his breath. The gadget comes in two models...
...disease perversely refuses to infect any animal but man. The hepatitis bug's small size and its frequent presence in fecal matter indicate that it may actually be an enterovirus -one of a group of particularly tiny viruses (including polio) that are found in the human intestinal tract. Says the PHS's Dr. Leon Rosen: "Isolating the hepatitis virus is the No. 1 unsolved problem of contemporary virology...
...money to distribute 102,000 copies to Protestant clergymen around the nation of a violently anti-Catholic, anti-Kennedy sermon by Dallas Baptist Minister W. A. Criswell, who has the biggest white Baptist congregation in the U.S. (It is illegal to distribute a political tract without identifying the source...
...strike deadline neared, Carey offered to extend the deadline-and con tract-but G.E. refused to extend the contract. At week's end representatives of all I.U.E. locals (which represent 70,000 of G.E.'s 240,000 employees) met in Manhattan, voted to strike. G.E. announced it would keep its plants open for all employees who wanted to work...
...Albert Bruce Sabin. Whereas the Salk vaccine's virus particles are inactivated so that they cannot multiply, much less cause disease, the Sabin vaccine's viruses are expected to multiply. In this way, they cause a harmless infection. They do this in the digestive tract and render this part of the body an unsuitable seeding ground for future invasions of poliovirus. (The Salk vaccine triggers the production of antibodies, which circulate in the blood and protect the brain and spinal cord against paralysis, but does not sterilize...