1 Gases consist of large numbers of molecules (or atoms, in the case of the noble gases) that are in continuous, random motion. 2  The volume of all the molecules of the gas is negligible compared to the total volume in which the gas is contained.  Attractive and repulsive forces between gas molecules is negligible.
Medical authorities say that Olympic sprint champion Florence Griffith Joyner died of suffocation month ago after suffering seizure while she slept; say seizure was caused by congenital abnormality of blood vessels in her brain (M)
Lillian Hellman, Playwright, Author, and Rebel, Dies at 77. Lillian Hellman, one of the most important playwrights of the American theater, died of cardiac arrest yesterday at Martha's Vineyard (Mass.) Hospital near her summer home. She was 77 years old and also lived in Manhattan. The playwright had been taken to the hospital by ambulance from her home at Vineyard Haven.